This was the first year in Boston for the touring Radio City Christmas Spectacular, and now that the holiday dust has cleared, local arts groups are reporting that everyone’s fears about the touring Rockettes were entirely justified. “Business was down at the Boston Pops, Handel and Haydn Society, Revels, and Boston Ballet… The Boston Symphony Orchestra, the corporate entity that oversees the Pops, canceled three Holiday Pops concerts because of slow ticket sales,” and the ballet, which was booted from its traditional home to make way for Radio City, reported disappointing ticket sales for its revamped and Nutcracker. Meanwhile, the Rockettes sold 200,000 in less than a month.