Scented products cause indoor air pollution on par with car exhaust

Does anyone have any clue what the point of "scentless wax melts" even is? Like isn't the scent the whole point of the product?

The point is to make money. Any notional utility by the consumer is a byproduct.

As is explained in the research paper, they are marketed as (or considered by the public to be) safer than candles because they don't involve combustion. They show that the same amount/type of particles are nearly the same between the two.