You don't join the WEF Young Global Leaders, they just select you and many people have demanded that they be removed.  I don't know whether that 2nd tweet is real but I can't find it on reverse image search.  Considering the large number of coal posts about the WEF it seems unlikely that this wouldn't have been screen shot and shared a billion times if real between 2017 and now.

I don't even like telegram and tell people they probably shouldn't use it but this is the 2nd time in about a month that I've basically had to defend Durov from ridiculous conspiracies.  First it was that he's a Russian asset depite losing billions being forced to liquidate companies because he wouldn't give up data to the Russians and now it's that he's a western asset, despite being arrested by a western power and probably about to be dumped in a dark hole for a decade or two.  How "logically minded" is that?