100% not true in the US.

Unlikely to be prosecuted or sued, but not true.

What country are you from?

WTO governs a lot of global copyright issues. I would be surprised the fair use exception allows you to download copyrighted content except for a few limited fair use purposes, ie education. And with very specific guidelines as to what qualifies as fair use.

That is certainly not true. It is illegal. It is often civil, but can be criminal copyright infringement based on specific criteria.

I don’t get diarrhea every 4 weeks. Do you?

Get some anger management help.

https://ohmyz.sh/

Not just slower loading. Less available performance in game.

Every time it needs to load a texture it’s uncompressing it on the fly…. That’s going to take away from CPU and RAM (both the compressed and uncompressed versions will be in RAM).

That’s quite an indictment.