You can't expect to run a heavy website on a shared hosting, so it is common for web hosting provider to suspend an account which uses way too much resources as the same resources needs to be shared among hundreds other account.

Both serverfreak and siteground are reputable company but I believe Siteground's server is in Singapore whereas serverfreak have servers in Malaysia.

Not that it is a big deal as I am also running my servers in SG and the latency difference is very low.