Nicotine-free vapes still develop the oral habit in children and has been shown to be an easy entry into other vapes. Also propalene glycol really isn’t great for your lungs, and constantly sucking on a vape that uses it does negatively effect your breathing.
It’s actually a “test things first and have a proper change control process” thing. Doesn’t matter if it’s open source, closed source scummy bullremoved or even coded by God: you always test it first before hitting deploy.
https://www.news-medical.net/news/20191018/Vaping-propylene-glycol-and-vegetable-glycerine-may-lead-to-lung-inflammation.aspx