look you may not agree but it is true. often companies will keep a couple of old stock obviously for replacements but you will also see some priced stupidly silly. like £1000 yet it maybe a £100 part.
And there is a reason for that - there is the possibility that someone will absolutely need that part in a great hurry and will be willing to pay that fee for it.
I remember a client needing a particular (ancient even then) modem for their internal communication system between warehouses - after the first disaster they were very happy to pay £5000 for 3 spare devices after losing £50k from 24 hours of lost production - I will add I wasn't the one who sold them at those prices, I was the poor sod searching around the world to find them.