To correct some inaccuracies.... if I may?
Only 1 engine failure. Not plural, singular. Testing has a purpose.
(You're welcome Airbus NEO, Boeing MAX, and Embraer Ejets)
243 firm orders before certification of ANY aircraft is nowhere near "bottom of the barrel" by any stretch. History shows us firm orders at certification is no measure of future orders or success. In-service realities determines that.
Yes. Years late. 2 to be precise. Ask A or B how long it takes to clean sheet design an aeroplane from conception through to certification? They'll likely rhetorically ask you how long is a piece of string, because such a prediction is nothing more than a hopeful best guess.
Such drama! Such negativity!
Congratulations to Bombardier, f**k the naysayers!
Willie