It’s a sliding slope though. The initial reasoning is fair. But it will eventually spread to other features like (potentially) creating and owning servers or holding administrative and moderation roles

It’s the same with the chat control currently looking over EU. Nobody can say that they are against efforts to stop CSAM. The issue is that the efforts don’t limit themselves to fighting that. Likewise the age verification on Discord does not seem to be targeted or limited to certain content. They are leaving the door open to use it any way they want