> I don't see how is this any different from any other signal that Google uses to prioritize sites.
«Oh, they're screwing up before, too? Then I guess it's alright»
> How does it prevent decentralization?
Because only a handful of companies can issue certificates.
Apologies, I haven't made myself clear with that idiotic of a snarky remark :) What I meant is that their actions in the past shouldn't be an excuse to their actions today.
The principles behind PageRank are based on unbiased reputation, and provide for a good ranking system (spammers aside). Whatever's thrown on top needs to be carefully considered not to enforce biases towards any group in particular.
> How does it prevent decentralization? Because only a handful of companies can issue certificates.