>All software will be open source, and no one will make money with software. I'm really not convinced. The chart shows Photoshop having an alternative in with GIMP in 1998. And 24 years later, people are still paying lots of money for Photoshop. Pretty much all of these examples are similar. Yes open source has replaced some categories of paid software like VCS, but in a way it just opened up more paid software in th…
Linux has not completely replaced Windows or macOS, it even has not replaced FreeBSD. But having it as an alternative, even back in 1990s when it was not yet mature, was very important.
Firefox has not replaced MSIE or Chrome, but its presence is very, very important for the entire Web, to my mind.