My airline tolerated them until last year. We had a recently retired Air Force new hire that stopped shaving in ground school and didn’t pick up a razor, trimmer or clipper since. The last time I saw him, I was embarrassed to be seen near the guy. He had a bald head and a beard that looked like he belonged on a set of Lord of the Rings. He was spoken to by several check airmen and still refused to shave or trim. We are no longer allowed beards. It’s always “that guy” that ruins it.