One more thing...
I have connections within the hotel/hospitality business (have had for many, many years although I don't work in it) so I hear about famous people from time to time.
Griffith was infamous for abusing hotel staff. From the bellmen, to restaurant waitstaff...from housekeepers to hotel managers, no one ever had anything good to say about him. He was frequently described as indifferent at best and (more frequently) hostile at worst to ordinary people.