First of all, the "title" of "world class wrestler" means nothing in MMA, because you have yet to prove that "world class wrestlers" are more "elite" than those practicing under national rulesets like folkstyle or sambo. Your initial statement: "You can't call someone an 'elite wrestler' if they haven't entered and won in global competition." How are national style wrestlers not "elite" when they're doing better in MMA than international style wrestlers? Name all the Greco/Freestyle champions in the UFC. Then name me all the collegiate wrestling and sambo champs. Whittaker is not a "world class" wrestler either.
In other words, you're pulling a pathetic strawman in an attempt to cover your exposed ass.
That's the question I should be asking you, actually, because you're not making absolutely any sense. You have stated that a "great wrestler" is someone who either has "wrestling credentials", which for some bizarre reason known only to you must be international, or "uses MMA adapted wrestling against known, high level opponents". I never argued the second part, fighters with no wrestling credentials who can wrestle effectively in MMA are elite MMA wrestlers, there's no denying it, but we're not talking about these kind of wrestlers now, we're talking about international vs national wrestling creds.
In other words, that's a second pathetic strawman from your side.
Yoel is a multi-time world title challenger who has never won a belt. This is fact. I'm sorry if it hurts you. Now, the question remains: are you stupid or a liar?