I think T4 is the top of the top for normal people.
T3 is the current top, something within reach. And T4 can be a bit trickier, which is good.
The balance on that seem fine to me. I felt the difficulty climbing has been great.
Talking about pit 150 is just… well, you see you guys don’t really understand that you are playing the extra game onto the extra game. You think it’s what to run for and that everyone is.
But it’s just for those very special meta builds. It’s a meta, it’s not the actual game.
The reason it’s not is because it then forces everyone to play those meta builds you feel forced to play. Since the difficulty on the regular game caps at a reasonable level, it is not as compelling to play a meta build since regular of your own crafting is just fine.
An additional reason not to add torment tiers would be spreading players thin across the difficulties.