I'm not really surprised I mean they are Human.
Buy ya know you only see the smiling happy side in the photos and stickers and stuff.
Phil seems like the most opinionated one to me just from various interviews and things I've read.Sometimes when bandmates dont know when to back off it can really bring the whole thing down.
They all seemed to be under a lot of pressure to keep the Dead rolling 'cause of all the employees and stuff.
Other "tantrums" might be Bob talking about tech. problems during the shows.I love his commentary.
Jamaica 82 is loaded with tech probs and Phil says (kinda Nasty) "So were gonna fix it!"
Later on Bob tells some chick to met her Aunt by the Coconut Tree.....

Bob is the Man!