NEW YORK — Black Friday seemed a little less crazy this year.There were squabbles here and there, and elbows got thrown, but the Friday morning crowds appeared smaller than usual and less frenzied, in part because many Americans took advantage of stores’ earlier opening hours to do their shopping Thanksgiving Day.That might be hard to stomach for people worried about commercial encroachment on Thanksgiving. But it is good news for bargain-hunters who hate crowds. Whether it’s good news for retailers remains to be seen. Sales estimates for the start of the holiday shopping season will start trickling out later in the weekend.Stores such as Wal-Mart and Target reported brisk Thanksgiving crowds. The colossal Mall of America in Bloomington, Minn., said it drew 100,000 people between 5 p.m. Thursday and 1 a.m. Friday, nearly what it draws in a typical full day.On Friday, plenty of shoppers were out, but it wasn’t elbow-to-elbow, said Moody’s analyst Michael Zucchero, at a mall in northern Connecticut.