Sure his team has missed the playoffs the last eight years and he did move the team to L.A and back. No fan will ever be 100% happy with their team's owner. But in the greater scheme of things he opened a lot of doors. He hired the first black coach and the first Latino coach in the NFL. He also hired the first female CEO in the NFL. These were all great advances which were overdue when they happened.
Here is Al Davis:
Some will be glad Al is no longer the owner, but I am sure few would have wished him death. His death will open up questions regarding who will own the Raiders? Will they go the market? May Al Davis rest in peace.