whoa! i guess if Peter Todd said it, it must be true!
look, i like Peter for the most part, but his specialty is stirring the pot.
Every one of his statements is true.
It isn't that the split of hash across pools is fake, it is that there is absolutely no way to know, and the incentive to lie is both there and has increased.
It's quite silly to pretend this isn't a concern. The security model of mining is based on any actor's share being small. Small doesn't mean <=50% or even <20%, its more like 2% or maybe 0.2%.