Thomas Gagewas a British general, best known for his many years of service in North America, including his role as military commander in the early days of the American Revolution... (wikipedia)
But, more importantly in this situation, he is a very experienced sailor. He would not have taken any unwarranted risks, especially having his youngest son with him.
The batteries went low. He simply wasn't able to make effective use of it.
He's obviously shaken. He's with his family. He's in ? I think I can say ? good physical shape. But this is an unimaginable circumstance for any of us and for a young man of 20 years old, I'd have to say he's incredibly brave.
It may be said of them [the Hollanders], as of the Spaniards, that the sun never sets upon their Dominions.
In all their wars against the French they [the Americans] never showed such conduct, attention and perseverance as they do now.
No blood has been shed under my command this far; and I am determined none shall be!
America is a mere bully, from one end to the other, and the Bostonians by far the greatest bullies.