Because there's more to projecting to the next level than just stats.
I was contesting
@Zaddy saying that Podkolzin isn't a complete player yet posted a bunch of attributes (compete, 2 way play, great shot, good hands) that make him a complete player which pretty much lines up with a lot of the scouting reports. I'm not saying that the Oilers should take him over Krebs and Zegras necessarily (I'm a big fan of Krebs btw), I'm just saying that I think some people are overstating his weaknesses and are underestimating his strengths.
I also think there's some recency bias due to what has transpired with Paajarvi and Puljujarvi and assuming that every Euro forward prospect is automatically going to follow the same path here. At least Zaddy provided in depth analysis of his game after extensive video watching but some others are just assuming that he'll suck here because of past failures with Euros. I get the trepidation but not every prospect is built with the same makeup and not every regime is going to fail at developing just because previous regimes failed.
I agree with the first paragraph, though again I'd refer you to my earlier post noting that his VHL/MHL numbers are pretty unimpressive for a guy that's touted as being able to take over games. I also agree that taking him at 8 wouldn't be totally insane - hell, if we were almost any other team drafting there (lets say Montreal or Vancouver), I'd probably say we absolutely need to grab him. But it's the Oilers, and I completely disagree with your second paragraph.
It's not just recency bias anymore - over the last decade, what Europeans have we managed to develop? Klefbom and Draisaitl? Both had excellent English and in Draisaitl's case, a pretty strong base to build upon, especially his puck skills and hockey IQ.
We've seen Yakupov, Paajarvi, Puljujarvi all fail in very similar ways. Outside of the first round, Slepyshev, Zharkov, Belov, Yakimov. And it's always the same pattern - they clearly are confused about the instructions they're getting. They complain about lack of communication, not knowing what the coaching staff and org want. The team has demonstrated so thoroughly that it's the goddamn worst in the league at developing talent that I'm shocked this is even a debatable point among fans as knowledgeable as we are on HFOil. This is ESPECIALLY true for European Project Players, no matter how tantalizing their tools are, and even more especially true when their English isn't ready to go on draft day.
Mark my words, if the Oilers somehow 'luck' into drafting Podolzkin, he'll bust harder than Nichushkin has for the Stars.
edit: The only way I see him panning out for us is if he stays in Russia for 3-4 years, learns to dominate in the KHL, then comes over. At that point we might have cleaned up our act as an org a bit, and he'll be a much more polished product.