I think Flash better than HTML5, flash is faster, more powerful, more common, and supports 3D. But HTML are very slow and not powerful. And I think that the idea of ??HTML5 was a failure, flash is much better! And so we should not forget about Ekse, because it is the fastest exporter at the moment.
You also have to remember that HTML5 is still, currently... very new. Flash has been around for over 10 years, and has had that much time to improve. Simply stating that "Flash is better" is very narrow sighted in my opinion.
I always like to consider the future myself, even though I do agree that currently HTML5 is a bit of a let-down in comparison to other avenues. I am confident it will improve vastly as more time is spent with it by the professional industry.
~Sol