No, not really.
Ok, imagine this. He wants to cause massive loss of life and slip away to live on the run, just like dear old papa.
Dear Old Dad only killed one person, the cop he ran over. He didn't seem to be interested in mass murder. He just wanted to get away.
And the problem with the jet fuel tanks was that they were just too far away. It was reported tonight that he did shoot at them, before he opened fire on the crowd, but not successfully. According to the reports, he dinged one, but the shot didn't penetrate. Just to be sure, they drained the tank.
People would have sprinted non-stop in their underwear out of the hotel. Security wouldn't be able to contain them. The shooter slips out in the chaos.
They could have shot him. They knew what was happening.