Regardless of whether or not Putin is a fake Christian, is a gangster, or admires Stalin, the fact that such people like Dmitri Gasak now speak openly about the need for national repentance and Christianity is a powerful sign for the long-term future of Russia.
At the moment, Gasak is one of the view lone voices crying out in the Wilderness. The very fact Putin was re-elected to the fanfare he did with the rhetoric and promises he espoused -- was indicative of just how strong Soviet-era demons have been resurrected and how much further there is to go...
Gasak is not a major public figure, which is why you won't find anything on him in the anglosphere internet. But the website for "Transfiguration Brotherhood" posts their articles in both English and Russian. They offer a unique yet much needed doorway into the spiritual state of Russia.