Then there'd be no way to get rid of somebody's ap unless you're sly, or have items on.
There shouldn't be anything to take away AP. The concept is stupid. Make it simple and have what you gain be what you gain.
Almost never see this online anyways, so I'm guessing it has happened a lot to you
It's a great thing, which makes you HAVE to get close to your opponent.
If it weren't for items taking meter away wouldn't even be a viable strategy.
You cannot be grabbed in the air so if people were smart and tried air gameplay grabbing is inviable. Defense is more than just blocking and grabbing.