This whole incident does rather beg the question whether a 737 makes the same size hole no matter what colour scheme it happens to have!
When the relevent authorities work that out

maybe we will see all operators into and out of UK airspace being forced to modify cockpit doors to the new UK requirements. Otherwise the whole modification programe for UK registered aircraft could prove to be a waste of time and money.
At approx. £40000 a door MOL's going to have to sell a lot of £9.99 tickets