I understand it's not up to your (or anyone's) level of belief, but I am in intimately familiar with their modus operandi.
replyFor everyone in the industry it is le secret de Polichinelle.
I think they don't sell their VPN data, because if that ever came out, that would destroy their business. Selling the data would be far too risky for them.
replyThats like saying there is no corruption in government because it would undermine public trust in it.
replyOf course there is, and to huge extent. They know they canget away with it, so they do.