Christine Taylor said her husband, Ben Stiller, was being a considerate and polite pal when he ditched the Knicks playoff game on Monday night for the Met Gala. “We were invited by a friend, so this was an obligation we had committed to in January,” the “Brady Bunch Movie” star, 54, told Page Six at the Cinema Society screening of “Influenced” earlier this week. “And, you never know what night [a playoff game] is going to fall on, and he was holding true to showing up for friends.” “It really was for these dear friends who invited us.” Christine Taylor told Page Six why her husband, Ben Stiller, missed the Knicks game for the Met Gala. Getty Images The actress explained that they had made the commitment to attend the Met Gala back in January. WireImage However, that’s not to say the Knicks weren’t on the couple’s minds at the swanky shindig. “Here’s what was great,” Taylor explained.…