> *"A design can be wrong. The entire thing can be wrong, parts can be
    > wrong, or even a tiny, 10x10 pixel area can be wrong. Not, "I think it's 
    > good but it needs improvement" but flat-out wrong. 1 + 1 = 3 wrong. A 
    > spelling mistake in a book wrong. A syntax error in a code file wrong. 
    > It's not an opinion, it's not a matter of subjectivity, it's a fact: a 
    > design can be wrong."*

The buttons with numbers in his example are such.

There's still the question of whether fixing it is worth it or not though...