It's always utterly amusing how people come up with a load of conspiracy theories on how Oleg secretly supports the hackers or new requests that he should endorse them.
Folks, get real! If the Il-2 engine wasn't at the end of its commercial life you'd be surprised how quick Ubisoft would have closed down "that site" and prosecuted anyone they could get their hands on. That this hasn't happened just shows that neither Maddox Games nor Ubisoft have any interest in the engine anymore. But that doesn't mean they are giving it away for anyone to have a look at.