Is this a bargain?

Travelling over the Christmas break? I am. Just had this email. Unlimited breakfast sounds f'king awesome, is it? Considering you can pay the odd £7 for a pint in some places, the brekkie sounds almost free of charge, especially if you can manage a double. What do we reckon the potential is? (It's a hotel chain famous for losing many pillows & the occasional mattress, zoom in)