Yes, for the dummy wallet protocol.
The second you want to double confirm a new address out of a real xpub you need a second HWW.
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I also like the idea of having a backup HWW, especially a stateless one, Incase your corporate HWW gets bricked.
This has happened to many people many times, especially Coldcards.
Seed Tool does the address gen too
Some people will say I'm just saying that to hate on Coinkite,
This is not the case - it's just pure fact that has been publicly discussed on Twitter many times - having deleted mine I do not have receipts.
Disclaimer: my old Coldcard still works fine.