We free software advocates surely know that, no matter what we say or how we say it, some people have to or (if you prefer) simply want to use proprietary software for one reason or another - and that's even when they've heard and understood everything we have to say on the matter.
Okay so I think we can all agree that proprietary software shouldn't be promoted by the FOSS community. It also seems to be acceptable to promote the use of free software applications on proprietary OSes. So why is there a problem with promoting the use of proprietary applications on free OSes?
Let's break it down. There are four combinations of apps and OSes:
I was reading this comment on a story submitted here on FSDaily and started thinking that life's all about balancing freedoms.