Sigh... Essential reading for all involved. The short story 'Superiority' by the late Sir Arthur C. Clarke.
At the very least, the idea is better than sitting doing nothing.
General benefit to the aerospace and travel communities would be high.
Perhaps an entrepreneur like Yuri Milner...
The aircraft is already flying in the ME, so your doubts can surely be answered (or not) by practical experience.
Love the idea of flying in an updated Ford Trimotor, with a trio of quiet...
Bedtime reading for all in the US military, especially those in charge of procurement:
'Superiority' by Arthur C. Clarke.
Blue-sky thinking that reflects and defines the excitement of aerospace for many of us.
And so what if such concepts are impracticable - they may promote further thinking that sparks...