If they were smart they would have had a reserve in stock, just in case.
If they were very smart they would have had a second source of stock, just in case.
If they were extremely smart they would have had a in house source of stock, just in case.
I’ve personally known a couple of companies that ordered two years of materials inventory, but in both cases they were going into low tech products with long product life cycles.
It isn’t so easy when you have such short product life cycles. It’s easy to get caught with excess inventory of obsolete parts.