By the sounds of it all they brought to it was the name and maybe some technical knowhow. Because everything else about their business seems to have been abandoned. The only way to get further off from "we'll make electric conversions with preexisting parts" is to abandon electric cars as a whole.
He may not deserve all of the credit, but it sounds like he deserves something north of 90% of it.
Nobody here is trying to force you to stop using it though.
They explained why they don't use sponsorblock, and why they believe you shouldn't either. But the choice is still yours.
Theres is a wide gap between offering a perspective on why watching the sponsorships is worthwhile, and trying to legally force you.