At 14:32 01 May 2015, Dan Marotta wrote:
BGA trumps the manufacturer on max dry weight of the glider, yet US
pilots are crazy, stupid, and unsafe for steering the tug with the
glider?


In a word, yes.
Just to add to your angst the only legal requirement on glider flying in
the UK is that you must be over 14 years of age. You do not legally need a
medical or any form of licence to fly or instruct. Funny old world.