What's wrong with proprietary software? Also, I'm not fond of his philosophy when it comes to programming. Not minimalist enough. Everything is bloated.
Just have to point out this gem: >>79 RMS started the GNU project because all software was historically free by default.
I hope you don't actually believe this. The reason you got the source code with programs like UNIX was because it was part of the product you bought. It wasn't because the AT&T guys were kind people who wanted to share out of the goodness of their hearts.