Well to some extent the Russian citizens are not supporting the war according to the news so why then ban them, the war is political. Not as if Russia is at war with Ukraine but the military who are controlled by the government is involved in the war. I don't believe any civilian Russian citizen has carried arms to support the ongoing war. I may have a different opinion on the call to boycott Russian Businesses unless the one that has a direct connection with the government.
That is the problem in Russia,there is no free media at first and of course the businesses are independent,at least they look so but let me take you an industry which they are heavily relied on to make money which is the grain,mainly wheat exports where Russia has been the nr 1 exporter in the world for the last couple of years,before it was the US.The government imposed tax on exports making the price of 1 ton go more the same amount as the tax was,so if the price of 1 ton was 300 USD and the tax was 80 USD,the price got to 380 USD,what I want to say with this that the government can interfere with any business there that they see fit.
I am neutral at this but from what I have seen at Linkedin,mostly European connections working in the IT area were posting a lot of posts with this meaning "To all the Russians and Belarussians out there,you won't get ANY business from us at all,ever",most of such connections are in Germany but I think it shows where it is going.Unfortunately the citizens have already started to see the consequences of the war which president of US,Biden said will be felt even more as the time passes.