I'm perfectly happy with blues for girls and hearts for boys. For a friend's son I made a lovely graphic blue and yellow (requested colors) trip around the world baby quilt, one of which was a completely project appropriate floral print. Not a dainty one, just a bold bright blue and yellow and I got a couple of the same sort of comments here and there. Fortunately, not from the parents who never noticed and/or cared
Not everyone has the same cultural biases. Not everyone likes the same things. In the guild I used to belong to there were plenty of sweet and girly quilts donated -- I'm not that sweet and so I typically deliberately make things that are appropriate but in non-pink or baby blue and more graphic than cute for the people/children/families that aren't that into sweet either. Plus having a son, I was also drawn to what other little guys might like better.