I don’t think bundling other paid services counts. It’s only if the ISP treats the traffic to/from those paid services differently that you run afoul of net neutrality.
TMobile gives me free Netflix, but I use it on my television which uses my home internet. So even if they zero-rated that service, in my case it's irrelevant.
Plus I think I have an unlimited* plan, so zero-rating something doesn't have much impact.
