How is it that everyone seems to know why Captain Wilkinson was sacked? Was he really? Was there not something else perhaps. Was it that the MD got cold feet?
What he did was a flyby - that's it. It wasn't dangerous. He will have assessed it and used his considerable expertise and skill to provide a company presence in another acquisition. The height is guesswork and the speed also. But I would be happy to assert that neither was excessive. It looked to me to be just about right. It happens time and time again. I have done it and I know many others who have.
And while you are vilifying him. Ask yourself this. Think of ALL the times you have seen 'his' flyby in displays and demonstrations at all the airshows all around the world! IMHO he was proud of his company's new aeroplane and demonstrated it very well.