yes it could be impractical but if you try it, become the one who do the technique, i think you may not think about impracticality anymore. it's not about practical or not practical. there's something else.
Aikido is not impractical for self defense. It is a fluid martial art that reverses the aggressors energy and takes them down. Also, if you watch cowboy bebop, spikes defensive stance is Aikido.
