As somebody who vaped for a long time, I kind of disagree with this one. Of every method for quitting smoking, vaping was the easiest and most effective. It let me titrate down to eventually 0 nicotine juice, which let me stop altogether. I only very rarely vape anymore, I keep my mod around in case I am ever out drinking and get an urge, but it is definitely the reason I was able to quit smoking.

The popcorn lung thing is kind of an urban legend, there is no case of any vaper ever getting it from vaping, but diacetyl (the additive in question) has been discontinued in basically all juice just in case anyway.

The usual mantra in vaping communities was always to tell people that if you weren't a smoker already, don't start vaping. Is it better than smoking? Almost assuredly, but it's still not going to be better than just breathing cleaning air. The recommendation was always as a transition away from smoking. It's one of the few hobbies we would congratulate each other over leaving.

If you don't vape or smoke already, don't start though.