During his NHL career, Thomas was considered somewhat mercurial, which is not unusual for goaltenders. He was criticized for not visiting then-President Barack Obama at the White House with his teammates after the Bruins won the Cup.
Ngesikhathi eseku-NHL, uThomas wayebhekwa njengomuntu oguquka masinyane,  okuyinto evamile ngonozinti. Wagxekwa ngokuthi yena neqembu lakhe abazange bamvakashele owayenguMongameli wangaleso sikhathi uBarack Obama eWhite House ngemva kokuthi amaBruins ewine iNdebe.