If you don't do it this way to apply for everyone, then any good actor products will be crushed by profitmaxxing competitors. Or any good actor executives and workers will be pushed out by profitmaxxing shareholders.
Legislators need to be careful to keep requirements tight and manageable, but it's better to limit negative externalities than outright ban something. Banning infinite scroll or any particular pattern is nonsense, but restricting addictive design (e.g. TikTok) and algorithm weaponization (e.g. TikTok) is very sensible.