Foss licenses are copyleft, they bar individuals from enclosing the commons built by the collective for profit. Anarchism isn’t just letting people do whatever they want. Anarchism means against hierarchy. Having rules that prevent unjustified hierarchies from forming is entirely with in the bounds of anarchism. Including rules that prevent using copyright as a coercive hierarchy.
Oh boy, I can’t wait until we bail out the tech giants because they’re too big to fail.