Agreed that it's easy to conceal / memorise the seed. But the nice thing about the HWW is that a) it's also a signing device, b) seed isn't accessable to attackers without the PIN and c) easy to destroy as attackers can be thwarted with a "brick me" PIN.

HWWs are great, I just wish the market offered more discrete designs. The Bitbox is alright as it kinda looks like a USB stick, but the others have their brand / logo stamped all over them.