Nobody's quite sure how much of it is the extended time not driving, knock-on effects of isolation, or something else [0], but it -is- something insurance companies are paying attention to from various angles.
Another factor less noted, is the challenge of insuring various parties against 'nuclear verdicts' [1], at least as far as 'is the world becoming becoming uninsurable'...
[0] - Could be anything from Visibility of Full-Size SUVs/Trucks, changes in policing of speeding, increase in vehicles with HP/weight ratios outside of experience range, long COVID, the answer isn't fully clear...
[1] - Basically, a legal gap where certain states don't cap judgements such that, in the 'intended reason' allows a clear historical negligence to increase damages, in the less than intended reason you've got lawyers going on fishing expeditions to raise their claim amount... IDK how I feel about it but am giving my understanding.