Scale of numbers. Tesla are not remotely anywhere near a large mass market manufacturer.
Q1 2021 Tesla 180,000 cars
Q1 2021 Mercedes (passenger cars only) 591,000
Jan & Feb 2021 Toyota 1.4m
Q1 2021 Apple iPhones 57,000,000
Q1 2021 Samsung Smartphones 77,000,000
Apparently Tesla were affected, but went down another route that wasn’t as badly affected.
“In Q1, we were able to navigate through global chip supply shortage issues in part by pivoting extremely quickly to new microcontrollers, while simultaneously developing firmware for new chips made by new suppliers.”