I’m against government intervention on most cases. This isn’t one of them. The free market will take care of it argument would hold water if there was a free market.
Lots of people can’t choose between ISP’s. If an isp decides to throttle my internet, I can’t just go to a different one. There is only one isp in my area.
Sometimes, liberal outrage is justifed. Stop being partisan and actually look at the issue.