To subvert the EU. A weak EU means a strong Russia.
Not because they are anti-white but because they are anti-Putin. He does it for himself.
He only removes the ones that are violent against Russians. Meanwhile Moscow is full of Muslims who follow the law. There are other nationalities that are Muslims and aren't removed at all.
Power struggle. He wants to stay in power and he will do anything to reach his goal. Since Russia isn't a western democracy he also has the means to do it. Basically the same with the NGO's.
Syria fights a civil war, Iran didn't engage Israel directly. Also weapons business is lucrative and he can expand the Russian sphere of influence through arms deals.
Kikepedia article: Guns may be acquired for self-defense, hunting or sports activities only. Russian citizens can buy smooth-bore long-barreled firearms and pneumatic weapons with a muzzle energy of up to 25 joules. Rifles allowed after five years of ownership of a shotgun. Handguns generally are not allowed. Short barrel rifles and shotguns (less than 800 mm) are prohibited as well as suppressors. An individual cannot possess more than ten guns (up to five shotguns and up to five rifles) unless part of a registered gun collection, guns that shoot in bursts and have more than a ten-cartridge capacity are prohibited.
Carrying permits are issued for hunting firearms licensed for hunting purposes. People who acquire firearms for the first time are required to attend six and a half hours of classes on handling guns safely and must pass federal tests on safety rules and a background check.Gun licenses are for five years and can be renewed.
Three of these (fags, atheists and feminists) are part of his political opposition, the others (drug, alcohol, smoking) must be fought because they have a severe effect on Russian society. Decreasing the level of these also decreases national healthcare costs in the long term.
Meanwhile abortion rate is very high in Russia. They also need birthrates to keep up their social service system or else many people will starve.
That's propaganda to subvert the EU. They also denied refugee status from a German family who escaped to Russia from merkelhell.
He wants Soviet Union 2.0 without communism. Maybe the return of Tsarist Russia would be a better example. It wouldn't be WN at all, since Russia is multi-racial at this day. Also
TL;DR Putin plays the superpower game and he plays it well. But he doesn't want some "white paradise", he wants a superstate with multiple races like the Soviet Union was with complete Russian (not even slav) hegemony. His subversion of EU can be useful but he is no friend by any means.