Not really that much of a problem and a muzzle cut patch could present more of a problem if you don't cut it short enough. Excess patch material can get in the way of the flight.
Centering a patch may not be much of a problem for most folk but it is for me. I drive mine down with the short starter button and cut it off there. Some short starters may have buttons too long tho. If the patch is overlapping the ball face its cut too long.