He did but this is the point, he's returned to the top level but not to the top. Little brother is top dog now and I can't see vitali ever reclaiming number 1 spot.
Well then he doesn't car much about Wlad's legacy, he should step aside, work on his political career and let Wlad be undisputed..
As long as Vitali wins nearly every round, collects 5+ million a fight, he's not going to retire. If Vitali starts to struggle a bit, then he should retire.