Originally Posted by vnmous1

"....squeeze the trigger....." That's exactly why the takedown tool exists, so you don't have to squeeze the trigger. Smith and many other manufacturers have seen owners/users have accidental discharges from there still being one in the chamber when someone pulls that same stunt.

You may wish to bypass it, but please don't tell someone else to do so. It isn't what's called for in the manual and every M&P has had and still has the tool.
Let the owner decide for him/herself if that's something they wish to risk.