If there is a right to repair all of this does not matter. Tesla has - or should have - the obligation to sell the parts, and probably to also inform of the risks.
A bad repair is not on tesla, it's on the mechanic doing the work.
A bad repair is not on tesla, it's on the mechanic doing the work.
With the degree of autonomy that cars like Tesla come with, there are whole new battlefields which courts will have to figure out first.