What we need is those open source people with integrity to put the smack down on those willfully abusing and destroying the terms.
If you can't do it with trademarks/certifications/licensing/memberships/etc., do it with mainstream journalism. Like might be being done here, except The Register has long had rare insider knowledge, and is relatively niche. You need to get the message out to everyone who's not already in the know, including lawmakers.
(Incidentally, the FSF also has integrity, but, besides prompting open source by being zero-compromise -- which is fine in their case -- they have an additional challenge of seeming to be clinically incapable of advocacy in situations that are aligned.)