I guess it's just you. There is no physiological difference, muscle is muscle. If they are always under stress why would we need to train them?
If you want to see abs then you dont need to work them. If you want to have functional strength then yea you should.
lol dude you cant overtrain abs...seriously stop saying that lmao
look at people who do martial arts ...they do abs daily for hours and they have perfect abs....when i did martial arts i used to do em for hours and they were perfect you cant overtrain abs man....
show me some scientific evidence that you can overtrain abs seriously....i havent seen it