No, it is a manifestation of the asian policy of trying to avoid losing face whatever it costs
That may come into it, but basically it's all about protecting the brand which to a considerable extent is represented by the logo.
That's why, if you ever see an interview with airline personnel following an accident, you will rarely if ever see any visible airline branding that might be likely to stick in the viewer's mind.
Of course it's not helped when airline spokespersons make disingenuous statements like this, following the Air Canada CRJ accident at Fredericton in December 1997:
(explaining that removing the logo was standard practice after a crash): "The aircraft no longer belongs to Air Canada; it is now in the possession of the insurance underwriter."
