Though I don't like Ataman(or at least I didn't), there is a need to say some nice words about him.
1. From last team in EL he jumped to runner up next season, after that he took 2 titles and probably there could be 3rd if covid season ended in any way. I can't remmember that any coach did that in modern era. Gerson did similar thing, but Maccabi was powerfull team even before those 2 titles in a row.
2. In both final games he outcoached opponents, who are better coaches on the paper. Laso kicked Thompkins from the team, Ataman pushed Singleton in fire(glue guy for sure). Perimeter defence was almost perfect, there were only couple uncontested shoots for Abalde and Yabusele. We all remember massacre from last season QF and what Itoudis did to Fener's bad perimeter covering. Laso as smart coach tried to break game early because he knew that in close game Efes has much bigger chances with splash brothers. But for that he needed more power from outside, and he didn't expect such perimeter defending from Efes.
3. He is always early on the market and always goes for experienced EL players, not EC and rookies from NBA(bench warmers there). He made just one mistake in this 4 years, Moerman and Petrusev. 10 from 12 is very high percentage. Compared with Kokoskov's 2 from 14, he is the king of transfer market
4. He managed to build and keep good team chemistry in the team without any scandal(he was prone to that). I will never forget argue and almost fight with Rakocevic
Bad sides are known but this is not a moment to comment