It is scary the number of times Iv'e heard "It's designed not to do that so don't worry".
I tried for 40 odd years to make things idiot proof & discovered that idiots are very clever people. I am one of them!
I've managed to go round the circuit twice with the pitot cover on, even with a flag on it. I've also discovered it will take off (just) with full (drag)flaps down & the trim lever fully aft.