Shatner is the only Trek actor I ever saw being rude to fans, vendors and convention staff. I saw this several times in my convention days. Yes, everyone has a bad day or three, but when it becomes the regular pattern it is the fault of none but Shatner.
“When all Americans are treated as equal, no matter who they are or whom they love, we are all more free.” -Pres. Obama
"A great democracy does not make it harder to vote than to buy an assault weapon." -Pres. Clinton