It is basically an arm of the Democrat party, though.
If you're running a supposedly socialist party, probably not a great idea to freely give donor information to your enemies.
Plus they charge almost 33% more than a regular payment processor. The only advantage I see is that actBlue helps you send out donation emails.
Proposing new legislation happens all the time from both parties, thousands of bills per Congress. Most a doomed to die from the start. This link has a bunch of bills proposed the week of 1/9/23:
https://legiscan.com/US/legislation/2023?page=385
I don't think we can say Republicans are getting shit done until they pass some of these. The media is just covering this stuff now because the Trump admin doing scary stuff is good at selling papers.
I'm not saying they won't succeed, it's just too early to say.