I'm not a very good judge of crowd sizes. It may not be 12K, but it certainly is more people than I would have imagined who would want to listen to her screeching voice.
Like I said, probably a lot of teacher employee union members.
She made it seem like the greedy rich wouldnt even miss that money. She didnt say anything about the wealth that would be sheltered by trusts, non-profits, etc. Her numbers implied that all wealth over fifty million would be taxed. Her audience loved it.