No-one is asking for new content that has not paid for it. They are asking to have the old content that was removed back. The crucible playlists (not level dependent) have been changed for one thing which means Vanilla players are not getting what they had/paid for. There is even confusion around whether or not they will get to do Sepkis Prime if it appears as a nightfall. BTW, I have the Taken King and I paid for it and it is very good but I don't let that make me dismissive of people with a genuine grievance.