Your thinking of the buttons, player 1's light and drive buttons and player 2's light and heavy buttons, if using type A, are known to not pick up or be delayed. Usually have to press multiple times for it to register which is pain for doing AA, or comboing in general. It gets fixed, but this one NU player and a couple Tagers are just hard on the sticks when doing Tk's or 720's shaking the stick mount and loosening it, the owner really needs to find a way to bolting that shit down so it isn't shaking all over the damn place. I thought you mean't the games video feed being laggy when you said lag.
Yes it's still a problem, no that shouldn't stop you from playing BBCS.