FOSS isn’t about “corpo hate”. It’s about freedom. There’s a philosophy behind it. You can, of course, disagree with it, but I think you should know what you’re disagreeing with.
If the users don’t control the program, the program controls the users. With proprietary software, there is always some entity, the developer or “owner” of the program, that controls the program—and through it, exercises power over its users. A nonfree program is a yoke, an instrument of unjust power.