I figured as much. I wish there was a unlimited tethering with the unlimited LTE plan, but with rate limiting. Like limit me to .5-1Mbps on my non-phone devices. I'm not downloading music or videos, or streaming, I just want to browse text websites and code on my MacBook, nothing bandwidth intensive.
There are a lot of people who do just that, when possible, me included. I always prefer products made in the U.S., but when it comes to tech your choices are reduced greatly. I'm okay with paying a little more if it's more ethical.