The issue is that it's a free service tier which ensures that certain companies will always have the upper hand - you can be guaranteed everyone can access Face

The issue is that it's a free service tier which ensures that certain companies will always have the upper hand - you can be guaranteed everyone can access Facebook, you can't be guaranteed everyone can access whatever the next thing is, so Facebook wins by default. Facebook also wins vs any criticism of it. You can offer a lite version of any service on the public Internet, you don't need a free service tier.