Let's see.. Pay $20 a month, for years, ending up having paid hundreds, maybe thousands, for plugins, only then to lose every single one if I can't keep it up? Yeah, I don't think so. I'll buy a plugin. I'm never going to RENT one.
I bet you already do in someway. Welcome to the future. Pretty soon you'll be renting your computer power through cloud technology so you don't have to store a tower at home, and it can be upgraded without needing to tear the entire thing apart. Personal PCs will be like gaslamps and steam powered dildos.