If the player was 'storing' the plane he would not have selected a markup at 150% of cost....the intent was to sell.
I left an alliance (in another game world) because I personally disagree with the 'buying planes for others' market within alliances.
I just can't agree with cash rich players clogging up popular production lines for no real gain to themselves, but it definitely is a disadvantage to newer or start again players.
However this practice does not appear to be against the anti-competitive rules of this game, and I don't believe I said that it was
Many people have suggested various methods for 'freeing up' the popular plane market, some appear to be complicated, whereas I believe my suggestion is a simple one to understand and for Sami to program.
Is it needed? Perhaps not, as the cream will still raise to the top, but it may assist in keeping newer or later game players interested, and that has to be good for the game.
A gameworld with 10 or so dominant players making others lose hope, soon becomes a lonely game, and I enjoy this game too much to want that to happen