This type of tournament is, usually one particular table tournament (STT) which includes no given starting time.
The times when he actually has a (strong) hand, showing his cards may help the table from fighting back during all the other times he's just robbing the pot blind.
This kind of tournament is, more often than not just one table tournament (STT) containing no given starting time.
Because his Flush kicker is only the 6c, and you might well have 7c or maybe more, although you may don't, or even if you don't have a Club.