Crab. I'm a big supporter but isn't this a bit mean spirited. What you're essentially saying is that a major helicopter manufacturer has passed certification procedures in the past and still had problems. Hardly news.
No it's not news - my point is that the big boys can struggle with a 'new' design to meet certification - Hill will likely meet similar or worse challenges as he goes from 'great idea' to working prototype and then certification.
As far as the flame intensity goes, why wouldn't you show the same conditions for each option unless the 'new' options aren't currently up to the job? Too much of an admission that he might have to accept a non-ground-breaking option that is known to work (ie steel or titanium firewalls).?