I think when criticizing paid software, and paid SaaS, it's a mistake to think their alternative is logically open-source software. It's actually ad-driven software, because a profitable paid service has to provide much more to you than just the code like open-source does, and that costs money.

I relish tools that just let me pay for them and cut out the middle-man. The idea that all software should be free has contributed to the hyper commercialized, invasive, ad-funded internet we have now.