Yes, the quantity and hazardous nature of different forms of pollution does need to be taken into account.

Unfortunately, tyre pollution seems to be more hazardous and produced in greater quantities:

https://e360.yale.edu/features/tire-pollution-toxic-chemical...

https://www.theengineer.co.uk/media/mgmeqm3b/tyre-wear-parti...

> Unfortunately, tyre pollution seems to be more hazardous and produced in greater quantities

None of your linked studies even come close to supporting this claim.

I don't doubt that tire particulates have negative health impacts on humans, but we don't really know which is worse yet.

The Guardian did a piece on this two years ago: https://www.theguardian.com/environment/2022/jun/03/car-tyre...

That is still talking about particulate counts, not health effects (the article does one study linking a particular constituent to salmon health effects.)