Poor people don't use Bitcoin apps. So it won't exclude them. They can continue to use the free corporate apps like Facebook, eventually they will make their way to the Bitcoin apps.

Fair

Im just playing devils advocate here

You are touching the mindset of developers. They want to keep everything free, many are socialist because we were born into this socialist world so they aren't capable of thinking in a capitalist system. They burn themselves out eventually because they aren't capable of understanding how to defeat the spam.