I noticed the new-UI version of the site wanting me to either log in or use an app to view /r/scotch (not marked NSFW, but about alcohol). I've noticed a numbe

I noticed the new-UI version of the site wanting me to either log in or use an app to view /r/scotch (not marked NSFW, but about alcohol). I've noticed a number of sites require a login for content some people might find objectionable rather than just a click-through warning. I can think of a few reasons why that might be the case, but I'd be interested in a definitive answer about why that is from someone who has been involved with that kind of decision.