This article is really misleading. There is nothing explicit whatsoever with this in Starfield. You never even kiss. You just get the regular loading screen after sleeping except that your romantic partner appears to have woken up next to you, and you get a slightly better version of the Well Rested xp buff. It’s not a “huge XP boost” over the normal Well Rested buff
I think should be normal to expect that basic level of all-around competence from high school graduates.
Obviously high school systems have their own significant failures, though.