I know this is from reddit, but this person put together detail on who is pushing these age verification laws. It is an interesting read and could cost #bsd and #linux distros thousands of USD per year to maintain. With my #tinfoil hat on, looks like a method to destroy Free Operating Systems.

https://news.ycombinator.com/item?id=47362528

Edit:

From @zyx, reddit privacy respecting link:

https://redlib.nadeko.net/r/linux/comments/1rshc1f/i_traced_2_billion_in_nonprofit_grants_and_45/

Real Link:
https://old.reddit.com/r/linux/comments/1rshc1f/i_traced_2_billion_in_nonprofit_grants_and_45/