What a bad way to store your keys. I hope at least it is a good lesson to everyone else how to store keys NOT because it can be simply lost and we will lose access to our valauble coins. Storing coins safely should be a very high priority.
The dangerous points are
That person lost his hardware wallet to someone else who can steal his coin. There is still PIN protection layer and with only 3 attempts, it's hard to try and succeed but there is still another risk.
If the person did not make proper back ups, losing his hardware wallet will be the end to lose all cryptocurrency in that wallet.
With such careless person, I imagine that risk of don't have any back up is not too small.
How to back up a seed phrase? is useful for anyone who want to self-store cryptocurrency in non custodial wallet, must know of back up steps and recovery process.