i think van gaal's mistake was his "hero-sub" of tim krul the match before... i said it then that i don't like it and i still don't...
sure, it looked good and he got his praise for it but it might have backfired yesterday... cillessen was not amused vs. costa rica, he obviously was not informed this would happen before the game.
and you never know what something like this can do to a player mentally. i think from a psychological point of view, holland and cillissen went into yesterday's penalty shootout with a huge disadvantage.
could still have gone either way, there is always quite some luck involved but this was true for their first penalty shootout when everyone admired van gaal's genius...