It's possible to lament the Celtics not drafting Giannis and still think Olynyk is/will be a solid player. However, if the objective is to get the most valuable/best player you can, as of now it seems Ainge failed. Giannis right now has much more value than Olynyk. Giannis is a guy who could possibly be a centerpiece in a deal for a star, while Olynyk is just a nice role player.
If the objective is "just come away with something" then of course Ainge succeeded by taking the safer pick Olynyk. He is probably not going to be a bust, but he will also not be a star.
It's too bad, because Giannis would have accelerated the rebuild and not only because he has more talent. He has more value than Olynyk as a trade commodity and doesn't play the same position as Sullinger. Green could have been dealt this season and you'd have an obvious replacement there. It's evident now that Olynyk and Sullinger playing together just creates too large of a defensive hole to be sustainable. That doesn't mean either loses value, just that they lose value to us because the mix is untenable.
BTW, I'm not including James Young in this conversation because 1) he was drafted the next year, we don't know what Ainge would have done if Giannis was already on the roster - it's possible he doesn't even draft Young and 2) it's too early to tell whether Young will be any good.
If Milwaukee offered Giannis for Olynyk right now, would anybody turn that down? If not then Ainge simply didn't get the best player. Not bashing him because I actually support Ainge, but the bottom line is he made the wrong decision here.
Gianni's played in Greece an unknown basketball league so far the only thing that's going for him is his youth and the fact he's still growing if you're lament Anige for not taking him then why aren't you bashing all the other gms that passed him it was a weak draft after all and I don't think trade including Gianni's for love would be that competitive
after realising how good giannis can be i was pretty upset. after thinking about it though i can't blame ainge. how many players come into the league with freakish measurements or absurd athleticism and end up bench players or even completely fall out of the league?
further more before the draft giannis was playing in a really crappy league and wasn't dominating.
with all that to ponder wouldn't you say that more likely than not any player that comes into the league with that kind of resume - and there have been many - would seem to fail at becoming an incredible nba player?
giannis is an exception. he is a very rare case. he goes against the law of averages in a big way. rudy gobert has the greatest wingspan to ever be recorded in the modern game. is he a franchise player. you can say, yeah but giannis is young, but then do you think going back in time, at 18 years old gobert would be dominating a really crap league like giannis wasn't?
kelly olynyk was a much more sure and solid choice for ainge to make and i can't blame him for that since everything before the draft seemed to indicate the giannis' likelihood of becoming the player he is developing into was very, very low.
now if you really want to get angry and blame ainge for making a stupid choice that even at the time seemed stupid, blame him for picking jajuan johnson over jimmy butler

but alas, that is a conversation for another thread.