I think it was a CM just replying to a comment in Discord at one point when I just happened to be on and saw it, so my guess is MANY didn't realize the Survival mechanic wasn't active in the Demo.
Not sure what comment this was specifically, but actually, Enshrouded has very light survival mechanics, and those were in the Demo already. We don't have a hunger meter or thirst or sleep... all the negative parts associated with the upkeep of a bunch of gauges. Food and rest give players various buffs, Valheim would be the closest game in terms of mechanics.