Yep, an ad blocker should act as a fully agnostic content blocker, stopping content of all kinds, designated by the user, from crossing the network. It should n

Yep, an ad blocker should act as a fully agnostic content blocker, stopping content of all kinds, designated by the user, from crossing the network. It should not under any circumstance cause frivolous extra use of the network connection, at least not without asking. Quite a few people use these not just to get rid of an annoyance, but to manage quotas on their connection better.