Background values transferring between showfiles

So, I just got of the phone with a pissed off board op having run half a show with some background values on dimmers from a different showfile. A cue was running on the previous file while the next file was loaded. I realise that [Go to cue] [Out] is the way to go here, but why is that needed? Nothing from my Mamma Mia showfile should ever appear in Richard III.

Only reason I can think of is to make travelling between files with action/rehearsals on stage possible, without any harsh interruptions. Is that the case?

Would a simple “Refresh show data during show file load” on/off switch maybe be a solution? - If that makes any sense...

Gio - 2.7.3 build 10

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