Only these clearly do work for the majority of people. They're ubiquitous in popular culture (and in fact culture is often built within them) and are essentially the whole business model for those services. If they don't work for you, great, it means you've successfully avoided using those services enough that they can't profile you accurately, but that doesn't mean that they don't work at all.

Any such claim is irrelevant. The personal opinion of the receiver of the content is not relevant, only that the content delivered somehow makes money for the sender.

> That has driven people away from these platforms.

Platforms? These entities do not derive profits only from visits to their own domains. Please inspect the source code of any random site you read next. On the majority of web sites in the Western hemisphere you will find either a Facebook script or a Google script, or both. Often more than these two.