Need.. probably not. Since 2014ish, I've always signed txs from an air gapped device (outside of lightning's hot wallet).
IMHO is too much paranoia with these HW. Use the 3 levels stash method and your hodl stash is absolutely secure. I had in the past some HW but I gave them away to noobs. Not useful for me at all.
Read more here:
But if you want to use those HW, go ahead... more sats for me.