"With BCH I can send instant payments directly from my hw wallet. Any LN node, for example Blue Wallet, must have a hot key to sign tx's. It is only a matter of time until a large LN node is hacked and all funds lost.
What's the difference ? There is a lot of cash inside "banks" (or ATM or whatever) that you can just steal if you hack them. If we use crypto it won't be different, we won't have hacks