I don't want to push this point further but that's what I'm thinking as well. Just because you can Aven Mindcensor in response to Tinker doesn't mean that Tinker is an OK card in Legacy. Or just because you can Notien Thief against Necro doesn't mean Necro is an OK card. There are perfectly fine arguments here for not banning TNN but to me they all end up focusing on the fact that you can answer TNN.