All the heartburn and placing of blame is unfortunate. Anyone who read the initial email from CAP will notice it was gracious and explains the frequency rules come from the Air Force. CAP has to comply with those rules or risk punitive measures.
Apparently the legal letter only came after Radio Reference either didn't notice the original request, ignored it, or decided not to play well with other children. Unfortunately the letter from the lawyer wasn't nearly as nice as the original email.
Yeah, I'm a CAP member. It's rewarding, a lot of fun, and lets me play with radios. But there are a few strings attached. Show me an organization that doesn't have those. If the rules ever become too onerous I'll leave on good terms.
BTW, there are still a lot of 121.5 ELT's out there. FAA never mandated adoption of 406 beacons (some of those broadcast coordinates, some don't) so lots of pilots don't have them. They are expensive and the track record isn't as great as advertised. Some pilots have started using things like SPOT beacons instead. (I use one for hiking, off-roading, and the occasional plane ride.) SAR still happens, but is declining.
Anyway, if you just gotta throw stones, the Air Force is a bigger target and is the source of the rules on this issue.