Here's the thing, I would much rather have reasonable throttling with unlimited data, then either $10.00 per GB, or worse yet, multiple times that as an overage penalty. Especially with a family plan when the non-bill-payers on the plan don't understand overage fees. So the way I understood it (at least under the plan that I signed up for before "binge-on" was added), T-Mobile would charge $20 (on top of the regular…
If you actually happen to NEED unlimited data, and someone offers you unlimited data at some speed, and when you go to use it it is not that speed. And now your system does not work as designed.
Are you a happy consumer then? and since everyone get fooled by the false marketing, the actual providers of unlimited data at a certain speed is now out of business, because they had to charge for the real deal.
This is not about having sane limits. It's about false advertising with the only goal of killing competition and stealing business.
And btw, all carriers do that. It's a shame FCC is a tool for AT&T and Verizon nowadays on their plan to split the country into two monopolies. I will bet you money that they will never get a fine like that. ever.