Implementation is only one of the costs shared through open-source projects.

There are others, such as security vulnerability detection, support, & general maintenance.

That would just mean that ideas are worthless, which in turn makes judgement & execution extremely valuable.

In the age of LLMs, separating money from speech on the internet (where the most desired sociodemographics live) is literally impossible.

You restrict ads, they just create more bots or even pay actual people to express certain opinions.

But where's the line between political contribution & opinionated news article about a political candidate?

OP, you're on the right track.

The question you need to ask yourself is "What's the end game?"

What happens when users' feeds are full of users that they already know?

You think they'll be satisfied with that?