More importantly, why isn't it always possible (or pretty)? If it's because the C-64 or the Amiga doesn't support it, I couldn't care less. But, frankly, if s/he explained the problem, maybe a few more heads would find a solution to the problem ...
Being right, does not endow the right to be rude; politeness costs nothing.
Being unknowing, is not the same as being stupid.
Expressing a contrary opinion, whether to the individual or the group, is more often a sign of deeper thought than of cantankerous belligerence.
Do not mistake your goals as the only goals; your opinion as the only opinion; your confidence as correctness. Saying you know better is not the same as explaining you know better.