The claim that GPL benefits large companies that want to maintain monopolistic market power is not supported by several developments in the years up till today. Intel’s stealth computer that runs inside of yours called the Intel Management Engine is running Minix, a non-GPL OS. Apple’s macOS/iOS/iPadOS is non-GPL. Sun’s Solaris was open sourced under CDDL, not GPL. Microsoft’s VS Code is not under GPL either.
[1] https://web.archive.org/web/20080201042548/http://alumni.cse...