I mean you’re playing the game, aren’t you simply paying in an unconventional way? You can’t pretend to think that you playing a game you paid nothing for is bad for trying to extract something in return?
That being said, games where you pay for the game and still have a ton of microtransactions to actually enjoy most of the content of the game are just highway robbery.
It’s very much a gimmick. I’m 45 yrs old and was able to mess around with it at a friend’s house. It takes a lot of getting used to for it to become useful and accurate in games and will make any other game you play become a struggle. So if you ONLY play Warzone and don’t do anything else with your computer then sure go for it. You’ll need to “reprogram” your brain to use this mouse for the games you currently play and it’s really only a fun gimmick for shooting games.
IMHO: It’s just more plastic garbage and while a fun gimmick it would last about a month before becoming something you stuff in a drawer and likely never use again.