Wlad has already lost one mor etime than Lewis has so no he cant be judged as good. Ibeaubuchi was never anything, he had one notable win, Bowe is overated and ran from Lewis. Wlad wasnt in a position to fight Lewis when Lewis was still aroiund. He wasnt ranked dude to fighting for the WBO worthless strap. Once he was becoming the biggest name challenger he went and got beat off of Sanders!
I think Wlad can beat at least 4 more contenders. Since Wlad beat Bryd twice, he really beat 11 contenders. Unification is another issue. Let's hope Ibragimov wants it.
Wlad has one more loss, but also has more fights. I think it's obvious that the probability of losses increases when you have more fights. If Wlad had 100 fights in his record, I wouldn't blame him for losing 5 or 6 times. Someone like Robinson had like 20 losses, but you have to consider two factors when considering losses: a) Total numbers of fights. b) Losses when you're too green or too old.