Are Roster: Let’s go to your words “, take it up with this Gedolim who a) were born in Europe, b) have no bias, c) are real Gedolim (not merely occupiers of prestigious positions).
Men getting married when they are 22=25 was around in the days of Reb Moshe Feinstein, Reb Yaakov Kamenetsky, RFeb Henoch Leibowitz, Reb Shmuel Berenbaum all who fit your own word a) were born in Europe, b) have no bias, c) are real Gedolim (not merely occupiers of prestigious positions).