[nine_k]

The point is that the alternative platforms should be small per-community chat servers run by their users. A one-click installation on a $5/mo web host like DO or Vultr or similar. Good luck policing them away.

[luke727]

The problem is that this is too tedious for most people. There's a reason centralization is popular.

[nine_k]

If people are actively driven away (as in unable to pass the age check), the incentive becomes stronger.