TM has issued an official statement addressing the matter. The ISP starts off by saying that it does not block gaming servers. TM also claims to have been investigating the matter, and communicating with the server providers of the affected platforms.
Interestingly, the result of that is that this is an issue that doesn’t only affect gamers on unifi. Users of other networks, within and outside of Malaysia, are also said to be facing similar issues. Just as interesting is that TM brings up multiple or wrong logins as possible reasons for the connectivity issues. It goes on to say that, if you’re affected, you should contact the server provider directly to see if there’s anything that can be done on that end.
— unifi (@unifi) February 18, 2020 Essentially, this is TM saying it didn’t do anything that would affect users’ connectivity to video game servers. And from what limited information was provided, there’s no reason to not believe it. But it’s an unfortunate situation for those who are still affecting connectivity issues when trying to play their games online. (Source: unifi / Twitter)