When have I ever denied Hunter was a Nepo case? But at the same time, you do realize his addictions didn't dominate his life like that period where he did a lot of fucked up shit. As for Burmisa, he did bring some stuff to the table.
And, if you know anything about corporate governance, you don't need to have any direct experience in the company's industry. Boards are there to provide oversight, and they tend to have several types of experts from other sectors. Like HR professionals, or lawyers familiar with government regulations. Hunter apparently provided advice on legal issues, corporate finance and strategy. Those are three things he
could comment on. Just for proof, check out GM's board of directors:
You can see there are some heavy hitters here, but a number of them are from industries that are not even closely related to the automobile sector. You have a former pharma CEO, software experts, retailers...They might not know anything about designing or marketing cars for the most part, but they have a wealth of useful knowledge...