A “clusterf***”? If Kyrie Irving says that about the Dallas experience or about anything else? In fairness, we owe it to the Mavs and to their audience to make certain we’ve got the context right. The Dallas Mavericks are being labeled a “catastrophe” by The Athletic and a “debacle” by ESPN and “dog shit” by their own coach. In a sense, as Dallas slips farther away from a playoff shot after yet another loss on Wednesday at the Philadelphia 76ers, we all find ourselves in a furious race to pick an adjective that truly captures the struggles and disappointments. So…