It’s how people commonly type “does not equal” when they don’t have quick access to the not equal symbol. Your top level comment seemed to be contesting the meme, which claimed we still have 20 years to change before we all die. I was saying that 20 years before we all die is not the same as 20 years before a climate catastrophe.
I get it, the problem solving can be really frustrating when you just want to relax and play some games in your limited free time. Personally I just installed Linux on a secondary drive and switch to Windows during startup for the games that don’t work well with Linux (usually multiplayer games with anti-cheat). I still use Linux as my main OS since gaming is not what I spend the majority of my time doing.