Insurance companies and their actuaries are quite good at assessing real risk They typically don't lower rates due to false perceptions of safety and they don't raise rates due to false perceptions of danger.
To the extent that the contention in these forums is true, that Tesla accident stories are blown out of proportion in the media, I think there is a low probability of bad coverage showing up as unjustified high Insurance costs.
There is competition in the insurance industry, and if there's an opportunity to sell insurance profitably to a low risk group, it will not destroy that opportunity by raising rates. They don't have to pay out for bad news coverage, only for real accident claims.
On the other hand, if the Plaid model does have a proportionately high accident rate stemming from idiots showing off, then it won't take them long to reflect that in the insurance price.