Simple test: Try any of your aikido moves on someone who is 100% resisting you. Not pretending to resist. Someone who actually resists you as much as they can. You'll find out real fucking fast how worthless aikido is. Hell, just the fact that a resisting opponent gets sweaty and can easily slip out of holds that way ends up screwing over a lot of their bullshido moves. That's probably why judo enthusiasts use lapels.
You just have to master your Ki, man.
5 moves. I'm sitting on your arm until it's snapping, but to each his own.
Ooh, here come the MMA big men!
Lemme guess, move #1 is putting on your speedo and dousing yourself in lubricating baby oil.
About aikido: I can't give too much shit to it as it was one of the first martial arts I ever practiced and I met some great guys via it, but in all honesty, ~90% of its teachings is crap. There are some useful stuff, like kotegaeshi:
I have applied that in real life and it works. It's just that the training in aikido is done in retarded formal form, training is not done in the way that could be applied in real life situation. There's also this aspect that if there are multiple attackers or the attacker has some weapon, you really don't want to fool around with any joint locks, there are more sensible things to do in such situations.