Martin is not a maintainer of the Kernel/DMA which is why Hellwig clearly states he doesn’t want to add another maintainer when rejecting Martin’s offer to be a maintainer of this proposed code.
This is very clear if you read the email. If you don’t like the formatting go read the full email chain yourself, you will know where to find it if you’re so familiar with ‘kernel social dynamics’.
The article paints the picture that Lux was immediately hostile to investigators and had a pre-existing notion that those in authority were out to get her.
I doubt the investigation was perfect, as basically none are, but their effort seems reasonable.
Based on the scant details in the article Im not convinced this wasn’t a medical event, as there’s no solid evidence of an attacker.