You were captured by GOP propaganda a year ago

Socialist criticism of liberalist parties isn't a recent thing.

Here's a short newspaper article by Lenin in 1913 writing about the left-wing Labour Party in Australia, a few years after it became the world's first social democratic government at a national level (well, it was socdem at the time, it's since drifted rightward): https://www.marxists.org/archive/lenin/works/1913/jun/13.htm