Lets have
a; Safety briefings, not 15 minute hard sells, it's not rock science;
1; go through the flags
green, all is well, carry on!
yellow, incident on track, ease off, no overtaking.
red, damn serious incident on track, session is over, get the fuck over to the right h/s, ease right off, be ready to stop, no overtaking.
red/yellow stripe, limited grip on the track in this section somewhere, be aware.
black, report to the TD master, all is not well with you or your bike.
2; saftey - this is REAL simple and can be summed up in one short sentence;
"look after the bloke in front of you, if we all do that we'll have great day and all go home happy"
3; that's it, if I want some photographs, suspension setting up, on board video etc. I'll ask, I don't need telling, I can see the stall.
b; enforcement of the above, you break these rules you can go home, no ifs, no buts.
c; traveling marshals, instructors, call them what you like, but lets have ones who care more about TD conduct and punters having a good time than they do about comparing laptimes.
"Why would you put your beer down? You don't smoke..."