Civics is Boring. So, Let's Encrypt Something!

The proposal offered here ought to make everybody happy. Law enforcement will have ways to gain access to communications, provided they can convince a judge it's necessary. Important communications will be able to continue using the same strength of encryption they use today. Communications that didn't require encryption in the first place will be able to employ sufficient encryption to prevent trivial wiretapping, but nothing strong enough to prevent brute-force access should a judge decide that's necessary.