This can't possibly be true, since the Linux kernel's code is GPL and approximately every tech company uses Linux.
By "use GPL code" I mean integrate it into a company codebase (which would require the codebase to be licensed as GPL). Edited my original comment to clarify.
alt Hacker News
By "use GPL code" I mean integrate it into a company codebase (which would require the codebase to be licensed as GPL). Edited my original comment to clarify.