This is a fair criticism in some ways,but not in others. LNBits can do most of what Alby Hub does and WAY more, but is less approachable. It's also more difficult to get it set up with Zeus, especially if your node is Tor only and you want to connect to your wallet quickly and reliably while you are out and about. Moreover, having a lightning address on LNBits requires you to own a domain and have some additional technical know-how to set up the address service.
Meanwhile, Alby Hub doesn't do all the things LNBits does, but it is dead simple to set up, connects quickly and reliably to Zeus even if your node is Tor only, and every wallet you create that connects to an Alby account has a lightning address without needing to mess around with configuring your own domain.