Earlier quoted context omitted.
My best guess is that these carriers regret offering unlimited data.
If they regret offering it, then they'd get rid of it like AT&T did. No, T-Mobile and Sprint embrace it. It's what differentiates them from their competitors. They know that the claims of "oh no, unlimited data would cause congestion issues!!!!11one" were a poor excuse even a decade ago, let alone in the present day, and are thus unafraid to offer customers something that doesn't result in total shafting. AT&T and Ve…
... which slows you to 2G speeds after 5GB, instead.
I want to like T-mo, I've been a customer in the past until coverage made me give them up, but that point above is somewhat an important omission.