It is not just download and streaming, even online gaming lags a lot now during those special hours. I think it affects everything, but only on some specific hours.

Changing your local router only helps if your old local routers is spoiled. The problem with ping time to USA servers lately seem to be the routes within USA backbones itself, which shown in my pingplotter software. Lately try a VPN WTFast and route got rerouted to Singapore before going to USA servers get much better ping time.

But if your ping is to a Singapore server, not sure what is going on on your end because for me, Singapore route via Unifi seems good.

Blizzard USA sites having issues now if you use Unifi. Happened recently. Yeah I notice some mobile providers have better ping too. But the problem seems to be within USA routes when connection move from Malaysia to LA. I noticed Unifi will change between routes at different time, but both routes also got issues no it does not help at all. I tried to switch to mobile data plan, or WTFast and notice the route changed to Singapore first before going to USA which improves the ping a lot (2xx or so, which is fairly normal when Unifi is *normal*).

As it is, I am not sure what TM can do. Unless they can inspect data packet and identify online MMORPG connections should be routed to Singapore while the rest (probably data hogging Netflix etc connection) go to the *normal* route. But do they have that kind of data packet inspection tool?

Not true. Mine is original and has same issue.