It's about striving to integrate everything that can be integrated into a unified system -- which is precisely what Torvalds opposes.
Seems to me that you're choosing an interpretation of those words which makes Linus look foolish, when an interpretation that doesn't make him look foolish fits the words just as well.
His remarks are foolish, yes. If you want to construe that as he is foolish, that's your own personal leap.
"His remarks are foolish, yes."
I did not say this. Please don't imply that I did.
Striving, yes. Rather than shoehorning, which is what Linus appears to oppose.
A unified science is a nice idea in theory but it's not what happens in practice. No scientist would believe that you can somehow combine results from chemistry and psychology, so in effect you have many separate systems. There's not one big idea behind the various fields of science, merely a common method.