

I assume he meant that just because someone believes in something separate from their scientific work doesn’t affect their credibility.
An easy thought experiment is if an astronomer believes that when an ostrich is scared it buries its head in the ground. Does this affect their work?
If a surgeon believes in destiny doesn’t mean that their work is subpar or that they sabotage their work because it might be someone’s destiny to die.
Can’t blame China for mismanagement.
In the US market for instance no US manufacturer makes a car with 4 doors under $40,000. And even then the cheapest one is a Tesla model 3. You know how electric cars cost more to make, it means that it’s possible to make one but they refuse or are too incompetent to do so.