Gee, if we had the backing, we could have conservative rent-a-mobs too. Only they'd be better behaved.
Conservatives have jobs - private sector jobs, and largely non-union jobs. They often can't afford to take time off and unlike many of our "public servants", would never expect to be paid to agitate.
Once the government gets its out-sized hooks into something that used to be private, it never,
ever lets go.
Each newly-created Beneficiary Class has an instantly focused interest in maintaining and expanding its benefit, and either develops its own support infrastructure or attaches itself to an existing one, while the far broader class of taxpayers remains diffuse, disorganized and often, politically impotent. Guess who always wins?