> Yeah, it makes ad blockers less powerful. It also makes them less of an enormous security risk in that all of your web traffic is redirected through them, and a compromised extension could do whatever it wanted with that.

This presumes I trust Apple significantly more than authors of any conceivable blocking plugin — by large enough margin that it would be worthwhile to lose functionality over it. That isn't really the case — I only trust Apple marginally more and, if anything, making such decisions on my behalf erodes that trust.