No it's not. The articles on that study severely misrepresented the results. Everything was under OSHA levels, significantly lower than what's in cigarettes, and a few were lower than atmospheric levels.

The formaldehyde study and the glycerin break down study had methodologies so far outside of regular usage that they were designed to produce harmful products.

The popcorn lung scare was full of shit too. Diacetyl and acetyl proponol were only used in tiny amounts in recipes that needed a buttery flavor. Despite the levels being orders of magnitude higher in cigarettes, and the only recorded cases being industrial workers and a guy with a microwave popcorn huffing fetish, the industry dropped it.

The EVALI bullshit was black market THC carts cut with Vitamin E acetate.

The amount of false propaganda against vaping is staggering. It was cutting into tobacco tax revenue, so the FDA killed the industry that was focused on harm reduction.

I personally don't care whether vaping is worse for the person doing it than smoking. The thing I do care about is that vaping affects other people much less than smoking does.