The good news about this is it makes it easier for people to get introduced to bitcoin since likely the bank salesmen are going to talk them into their new product.
I think the main positive here would be to help improve adoption but other than that nothing really innovative.
Pay to leave your money in the bank, or be your own bank and gain from a deflationary currency? The choice is yours!
Another question should be, keep your money in your own wallet or in bank account the government can freeze?