It is important we understand the product we are dealing with, and the potential audience for it. You can't make every show appear to be the most fun you will ever have at the theatre because it probably won't be. I certainly don't see the point of cutting endlessly to hide what the work looks like in the hope of attracting an audience who otherwise would not attend. It is of course a slippery slope once you start. But it becomes even more slippery when the film industry is used as the model.
If video is going to play a role in attracting audiences to theatre it has to do so by informing them, not lying to them. By all means sell the sizzle, not the steak (as the saying goes) but let's not confuse or mislead people into thinking our lovely prize steak is a dirty Big Mac (I love eating Big Mac's, I just don't class them as food).
While we are here let's look at how the film marketing industry has treated some of the film versions of theatre.
Sweeney Todd Not sure who would have been more surprised, Sondheim or the audience who didn't realise it was a musical.
The History Boys Did Alan Bennett really write in his screenplay - the young man breakdances?
East is East An improvement on the tube poster which only featured the dog! Check out that copyline; A comedy of families, a chip shop, and a very randy dog. God forbid anyone finding out it was about Asians.