No other generation had to deal with the opinion and constant hatred of thousands/millions of people on a day to day basis, maybe if you considered that you'd start to question the psychological effects it might have when you have the entire worlds critique at your finger tips.
to be fair, you aren't even addressing her as her own person. if you want to call her out for having an audience and acting like this then call out joona, but referring to her as "shahz' gf" is a bad look