They certainly have from the perspective of a website creator or business owner. If you're running a business (or hell, any service in general), then you have to either play by Google and Facebook's rules or risk being rendered totally irrelevant and inaccessible to large portions of the population.

If your company's website is banned from Google, that can effectively be game over for the company, especially if you can't get reconsidered. Same if they move into your industry in many cases.