I TRY not to extremely long winded, or make it way to complicated.
Firstly, all religion is born via a humane individual that walk/eat/sleep/run around on earth till one day, the GOD touch/send an angel/epiphany/realsize that he is someone else/can be greater/ etc etc etc
Christianity, born with Jesus Christ, where he combed and sort and arrange the Jewish movement into a piece of cohesive, flowing religion.
Islam born with Muhammad, where after he slept in a cave, he is in contact with angel, and thus born the ISLAM.
Buddhist is born with a Indian Prince, Siddhārtha Gautama, or AKA Buddha, where we think he find the right way of living ("Buddhism" meaning literally)
Taoism is born with, Zhang Ling/Zhang Dao Ling 张陵/张道陵 according today's religion study where objected internally among Taoist, where they will tell you that Taoism is created by Huang Di 黄帝 himself that is widely considered as a mythical individual.
SO, the money question, HOW SINTUA RELIGION fit into this aspects?
In Sintua religion, you will find the common element that sintua share with the above religion: some one that is humane, did something making him a divine being.
Our beloved TS will be more than happy to provide you the list, if you ask about who did what.
Collectively as Chinese, when different Chinese people form different places came across each other (due to war, political issues, natural disaster and etc), their localized deities came across each other and slowly "brewed" into a single form of religion, hence SINTUA is born.
Yes you may attack it that Sintua have no prophets, no official writings or even an offical leader, maybe largely due to the fact that this religion is born so grass root that most of them can't even write at the time being. Also, keeping writings/books/tablets or any form of literature by a grass root community is a near impossible mission for those in ancient china, where they being move around very often.
Also, the Chinese is the "idol worshipping" community, where any one that worth worshipping, will be worshipped, to some degree. (Those that forced other to worship is not considered here tho) This maybe link to the root of Chinese culture where it take place in form of hereditary, i.e. to pay respect to the ancestors.
Thus creating a environment where individual may easily deify if he is considered heroic and most of the time, tragic enough to move the people's heart. Good example are Guan Yu become Guan Gong关公,Li Bing become Er Lang Shen 李冰>二郎神 and 赵公明鲁班唐玄宗管仲梁红玉
While the process of deify may seem gimmicky to most, but since Chinese people believed that a good man dies and his soul will depart to heaven, and since he is good at something, thus Tian Di天帝 will award him a job at the Heavenly Palace 天庭 to run a or some position so that the human realm can operates nicely.
In Chinese related religion, the great god of all either being tell as Tian 天 or Dao 道, is the great creation of all that have the ability to imbue power to anyone, including deify somebody, or making someone supreme to rule the earth for him (the emperor)
sorry, i wish to make some correction. First you mention buddism and the indian prince is "Siddhārtha Gautama, or AKA Buddha". I would like to correct the buddha part. It should be AKA Buddha Shakyamuni. There is more than one buddha and he is one of them. Secondly I agree with most part of your explaination except the last few paragraphs.
As I mentioned, people who actually contributed to humanity and touches the heart of the "Angels/God/Spirits" whatever you call them will be deitified. And another attributes you should not forget is these "people" will influences the earth as in they will return and continue to "help" the people of this world. a lot of people get idolized and "pay respect" to. But it doesnt mean all of them is deitified. I hope you get what i mean. and through constant "returning" to the world and helping the people in this earth, their influences does not perished like the other idolised but not deitified people. and as time after time has tested its "existence" of such deitified spirits, it evolves into the so called sintua religion. and i do not believe the last sentence at all. but that is my understanding and i could still be wrong.
Wolves As much as I love to read, but seriously, you really need to learn paragraphing and avoid littering with a lot of ellipses in your wall of text .
Reading your postings caused severe headache for me and in the end, I just skip reading your posting entirely.
my apologies, i will tried my best here to do as you said master. please forgive me. old habits die hard you know