Sounds like you don't either. Was just out on a trip this past weekend with a friend and his wife both have T-mobile. Out on the open road, mountains, small town we visited, yea they don't get signal too often. They even took a trip to a small town, ended up sitting at the bar for pretty much the entire day trip because they had no signal and didn't feel like exploring.
I'll give credit where credit is due, in the city T-mobile often has faster LTE than my Verizon. But out there, it doesn't work very well. But if you are just going to blindly defend T-mobile then we have nothing more to talk about.