This is nonsense, May has not betrayed anyone. In fact she has an impossible task at hand. There is no win-win scenario here and people just don't understand that a good brexit deal does not exist.
This current draft is the best UK is going to get, this is the cost of leaving. Anyways, we wrote a brief overview where we currently stand and what are the possible outcomes of this mess:
https://groundfinance.com/brexit/Cheers!