Here's the root of the issue that you seem to be missing:
For EMS providers to get paid more, that money needs to come from somewhere. Unions don't BRING money, they actually take it out of your pocket. They just try to get the employers to give you more money, so you don't notice the union taking their share.
In most for-profit systems, the hourly wage is dictated, among other things, by what Medicare and other insurers will pay. So long as Medicare continues to reimburse, on average, 12% LESS than the cost of the transport, we will continue to be paid chump change.
The systems that pay more are, by and large, taxpayer funded (FD/3rd service government jobs).
In short - stop expecting something for nothing. Open your eyes, look at the current limiting factors. Money doesn't grow on trees. Further, if you want to be paid more, you have to provide a service that's worthwhile.