As said, it all comes down to the merits of the specific regulations (and implicitly, how they jibe with the constitution and existing legislation). But as to

As said, it all comes down to the merits of the specific regulations (and implicitly, how they jibe with the constitution and existing legislation). But as to the principled, absolutist counterargument that was offered: "they're a private organization; you can't tell them what to do! you just can't!" -- well sorry, but that's not how things work.