imo it's a valid observation - a cursory search revealed this really really old and spot-on HN comment[1]
>The GPL is infectious; any code that uses a GPL library automatically becomes GPL as well.
Wrong. Developers make a conscious decision to use a GPL licensed library. Their code does not "automatically" become GPL against their will. Licenses are not viral. It's a nasty, pejorative term used to attack copyleft.