QR hubs are one of the best cycling innovations ever. Just because a few muppets can't figure them out is no reason to go back to wheelnuts. And as oldroadman implied, anyone who can't operate them is unlikely to be able to use a spanner without severing an artery or killing a small child.
Only if you get lots and lots of punctures. Or have a variety of wheels to choose from at home. [Edit: or, like @KneesUp you frequently take the wheel off to stow the bike]
Stay in your corner until we decide we want to reminisce about the good old days. You can play with tubular tyres, cotter pins, centre pull brakes, chromed steel rims, wooden rims, Brooks-style saddles and acetylene headlamps while you wait.
More likely an Allen key on newer bikes. I find it takes about the same amount of time as the no-longer-quick release. It's surely also less likely to be misused by the kind of person who can fail with a QR.
Interesting, but as you pointed out earlier, the introduction of lawyer's lips in a previous attempt to solve the problems apparently caused by QR mechanisms has contributed to this problem. I do wonder what problems (and indeed costs) will be imposed on the rest of us by this latest attempt to solve by design a problem that ought to be solved by intelligent use.
Hopefully none. All it needs is either for Trek to source a better QR skewer or for the parts manufacturer to redesign their product so the lever won't go as far in the open position.
