Colorado and California age verification bills exempt open source operating systems
(www.gamingonlinux.com)
idk about Cali, but Colorado's state government has a pretty good track record of doing reasonably sensible things and listening to constituents. I assume that if this law ever actually makes it to rollout, there will be a huge backlash, and they will get rid of it immediately. And if everyone switches to Linux to avoid the bullshit (doesn't seem unlikely), then there will be a huge shitshow if they try to impose the rule on open source OS's.