Medical practitioners of all kinds.
'Alternative' medicine: I know you genuinally believe it, but that's not sufficient excuse for a grownup.

Actual doctors: With some noble exceptions, entitled arseholes.

Also a large number of doctors apparently refer patients to alternative practitioners, which I suspect they do to get rid of the annoying ones.
(apeloverage committed the vile act of onanism on, Fri 28 May 2010, 0:52, 1 reply)

^this
I have heard from a friend who is a doctor that the acronym "TEETH" can be found on some people's records, which I believe stands for Tried Everything Else Try Homeopathy.
(Brian Aldridge, Tue 1 Jun 2010, 12:58, closed)