What bugged him (pardon the pun) was the unfairness of having state agencies pilloried, while firms such as Google and Facebook, which, in his opinion, conducted much more intensive surveillance than the NSA or GCHQ, got off scot free. His argument was that he and his colleagues were at least subject to some degree of democratic oversight, but the companies, whose business model is essentially “surveillance capitalism”, were entirely unregulated.
It's scary that we so freely as a society have given away our privacy to the likes of Google & Facebook to corporate entities that literally make money off spying on and analysing us.