without wishing to appear unduly biased: we don't actually know the reasons for this.
Nigeria, like it or not, is well known for some practices which it is
"well known".
Some people seem to have an inordinate amount of wealth for whatever reason big problem being that the source of that wealth is not exactly transparent, which in turn leaves one to try and figure out exactly who is looking after whom, and on what grounds.
The NCAA has been making some publicly very positive steps in the field of flight safety: seen that myself in their speakers at ICAO hosted conferences.
In time we will see if this was talking the talk or walking the walk .. let's hope for everybody's sake it is the latter.
However, as my mother would say " fine words butter no parsnips".