Given the options the cooperate powers that be will eventually have to choose open source because it is cheaper and they know that projects based on proprietary software no matter how profitable are doomed to fail because the source will be lost. More importantly the sources of open source projects build off of each other and become more powerful whereas the lack of sharing of code with proprietary software means that the code will be weaker over time.
This is the reason that irc, emacs, and vim will last for freaking ever and that sublime text and discord will soon fail us given enough time