The main thing that made Scrooge a liberal was his hatred of Christmas. Liberals today all hate CHRISTmas. They never say Merry Christmas and the best you can get out of them is a Happy Holidays or Seasons Greetings. They protest any school that has any song that references the birth of Christ but would probably have no objection to a Ramadan hymn about Muhammed, except that Muslims hate music.
The fact that he was a greedy SOB makes him more of a GOP elitist than a traditional republican conservative.
But he also wanted to reduce the surplus population by starving children. This would equate with a support for late term abortion and infanticide as a means of population control.