I can't really agree. If you mean specifically the tac FPS industry, similar games have since broken through and do plenty well, such as Valorant. If you mean the games industry in general, CS isn't really relevant to its current state in the grand scheme.
>It is the most played game on Steam at basically every hour of the day
It is currently at 185th place. You are probably thinking of Counter Strike 2 which is a different game full of microtransactions and gambling which is what the grandparent comment was saying Counter Strike didn't have. Gacha is the strategy in the gaming industry that makes the most money.