So the low cost airline should be flying around with an anodized surface, ugly as all get out but would make a statement, call it "Go Green".
doesn't bear thinking about ... but, then again, perhaps Hein's delightful grook is appropriate .. "my face I don't mind it .. because I'm behind it .. it's the people in front who object"
cost of polishing is near equal to that of paint, low overhead high maintenance.
possibly outweighed by the spectre of corrosion. If your thesis were valid, surely we would have far more aircraft in shiny tin rather than paint ?