The argument is simple - if FM stations don't have to pay, why should streaming ones?
If Democrats (insert your specific politician here) are smart, they will see this as an opportunity to radicalize young voters to their side. Remember - how a person votes in their twenties is usually how they vote for life. Millenials are trending Dem, but locking them in is smart, and showing that Democrats understand the new world, and are on the side of the future, not the past, is how you do it.
But, fundamentally, IP law is screwed up, bigtime.
There's an online petition here. Signing it is a start, but only a start and won't save internet radio.
What the issue needs is a sponsor - a congressperson with guts and vision, who's willing to sponsor a bill to stop this.