You are both correct, although I'd like to point out that Linux Foundation draws the line at GPLv2, whereas GNU believes their kernel ought to be GPLv3, and tha

You are both correct, although I'd like to point out that Linux Foundation draws the line at GPLv2, whereas GNU believes their kernel ought to be GPLv3, and that opens another can of worms. See BSD0: https://spdx.org/licenses/preview/0BSD.html https://spdx.org/licenses/preview/0BSD.html https://landley.net/toybox/license.html https://landley.net/toybox/license.html