Poor Jinxy! As someone who avoids marshalling like the plague these days this probably counts as a player's viewpoint.
I think any player who deliberately shoots a marshall should be pulled from the game, with a rest of the tourney ban for a second offence. Note here I'm talking about the kind of incident e.g. where the player puts one shot into the marshall to get him to move - seen at tournaments everywhere I'm afraid.
Shooting the cr@p out of the marshall e.g. for fun, revenge, just don't like him/her, should be elimination & immediate ban from the tournament, with the team being made to play one player down for the rest of the event. It is totally unacceptable in ANY circumstances.
These guys work hard all day so WE can have fun, and most of them would much prefer to be competing rather than judging. The money isn't great considering how hard they work & the hours they put in, you end up much more tired than you would if you'd been playing & hits hurt sooo much more as the adrenaline isn't running when you judge.
Players treat marshalls in this way, & soon there won't BE any tourney marshalls and therefore no tourneys.
PS. Liked Russells no. 3 suggestion - was that made with his official "2002 ultimate" hat on?