There's a lot of manufacturer propaganda about needing hardware wallets. But I think there's some significant attack vectors with them.

I'd say that you're more likely to have a problem when the entire customer database of your hardware wallet manufacturer gets hacked and put up for sale. Like Ledger has, for instance.

Compared to that, a knowledgeable person with your electrum/TailsOS setup is likely better off.

If you really want one, check out Seedsigner.com.