Mio said:It seems to be an unwritten rule among villains in general that after a victory they must glout, monologue etc. Thus giving the heroes enough time to come up with a plan to stop them.
Riva said:One example is in A Six Pack Attack when James sucks up May's pokeballs. They could have decided to leave the three pokeballs never to be used again or turned Skitty, Beautifly, and Torchic into their slaves.