It becomes less meaningful as you get older.
The issue with a teen and a 30 yo is the balance of power. Kids that age haven't dated and figured out all the red flags making abuse much more likely and easy to pull off.
Once you're both over 30 it doesn't really make much difference apart from potential grossness which is super subjective.
I think it's because X actually does a lot of harm and people want it to fail.
Blue sky definitely seems like the best alternative for an average non technical user.