how about sunroof drains on mk2 fiestas, all four drains go straight through pipes to the sills, not even a thought to route them straight out.
not the biggest fail, but pretty bad.
or even the angled steering column again in the mk2 fiesta, where you change wheel and the thing is on the piss, a UJ would have been all it needed to straighten it up.
onto other cars, alfa twinspark engines, why make it nigh on impossible to change alternator or starter in situ?
mondeo tdci injector failure and need coding to ecu.
rover for most things they've ever made...