I have a different reason: Because a family won't pay to get 3-5 unlimited lines from T-Mobile. 4 unlimited lines on T-Mobile = $220/mo, unsubsidized. And sprin

I have a different reason: Because a family won't pay to get 3-5 unlimited lines from T-Mobile. 4 unlimited lines on T-Mobile = $220/mo, unsubsidized. And sprint's data still isn't really to the speeds of T-Mobile or Verizon. These plans aren't as amazing as people think, especially since they still limit tethering (and maybe maybe throttle data). However, I think your conclusion is correct. If 4G was fine, the market value of cell tower time would be a lot lower.