Actually I think Prince's point is to do it _after/if_ it is passed. The issue isn't that it is possible today (all techies already know this), the issue is that after this you'll have to no legal recourse to equitable treatment once this is passed.

No: we already know it's possible. The point is that the FCC is supposed to step in and stop it. But now under Ajit Pai, we don't have an FCC anymore—at least not as previously understood.

Therefore, it's a great move, as it illustrates the dangers that we will face if Ajit Pai gets away with this.

Preferential treatment being possible has nothing to do with it. The only reason random ISPs don't offer restricted packages of sites/services now is that they are forbidden to do so by an FCC ruling. It is not technically complicated, but it is illegal.

tuning buffers has been possible since the dawn of the internet. the point is selectively doing it in an exclusionary manner.

Robbery is possible. That doesn't mean laws against it are meaningless.

You'd think Cloudflare would have learned from the Stormfront incident