This makes me wonder if some people use a very high derivation path to avoid someone stealing their coins: if you use for instance m/44'/44'/1875626591'/0 and even if someone gets your seed words, I doubt they'll ever find your (shit)coins.
Adding a non standard derivation is adding a potential failure to the system.
So, I am stamping the correct derivation on a wahser: “1875626591“ to stick to your example.
What is the point of storing this strange derivation together with the seed? He who control the seed, controls the deviation also.
But what happens if the washer with the derivation get damaged? 4 numbers become unreadable, because there was a mechanical failure at the store. How are you going recover the funds?
So no increased security, but greater exposure to failures.
As I said, it’s like protecting an HW in a safe box with a PIN: counterproductive.