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Really inadequate people rule Russia, did you have any doubts?!

Actually, they are professional people, just like you and me. Do you think that they are amateurs at being people by Putin's age?
As far as making governmental decisions goes, you can't tell if they are inadequate or not until you are in Putin's "Cabinet," looking at all the parts of the problems his government faces.
To me it looks far more like Biden and Congress are inadequate in the way taking care of the USA.

Here I disagree with you. And I'll explain. A reasonable person, or reasonable action, is usually aimed at achieving some goals that will bring about positive changes or achievements. Logical, right? Well, for example - harvesting is reasonable, but breaking your leg with a hammer is idiocy. So the top of the Kremlin does anything! But only not actions to IMPROVE in their own country, but only enough of them to break and spoil everything good for their neighbors, knowing that it will not be they themselves, the Kremlin criminals, who will suffer, but the ordinary people of Russia and those countries where they came to "save and protect" people from the good life. And this is just pure inadequacy! If you do not agree, I will be happy to hear your reasoned opinion.
PS Yes, for information. Taken from Russian sources: 80% of Russians started saving in the spring of 2022. Most of the respondents said that they are trying to save on everything (44%), some even on food, follows from a survey by the Zarplata.ru service. The main reason for savings 61% of respondents named the increase in prices.
Haven't you looked at the whole thing, yet? This is a form of civil war. There are loads of Ukrainians who live in Russia and vice-versa.
The problems that made the war were interference by at least the US, but by some nations of Europe, as well. The US made the Ukraine's "playful" slapping of Russia, and Russia's playful slapping of the Ukraine - slapping that has been going on for many decades - into big, subtle slaps by what appears to be the Ukraine.
It isn't really Ukraine, though. Rather, it's interference by outside countries... always for oil, but also (in this case) because of the at least 46 Wuhan-style labs the US has set up in Ukraine. Russia has simply decided that it wants no part of a "playful" civil war back-and-forth-tugging that is becoming serious rather than sort of playful. So, it is fighting back.
If it wasn't for the fact that the Ukrainian people are all feeling the heat from Russia right now, you would find loads of Ukrainians who would be supporting Russia, just like there were for all these decades. And there are loads of Ukrainians and Russians in Russia who support the Ukraine - to the tune of feeling sorry for the Ukraine land and people - but want the US out of there... just like loads of Ukrainians and Russians in the Ukraine who want the same.
I have no idea what Russia would do if the US and Europe backed out of the Ukraine altogether. Maybe at this stage they would go on fighting and take the Ukraine over. But if foreign nation removal was done just the right way, the whole thing might go back to the "playful" slaps that have been going on forever in the past.
Wake up and see that this isn't Russian aggression against Ukraine, but that it is Russia defending itself against the US and Europe. The Ukraine just happened to get in the way... except for those of the Ukraine who are in favor of the aggressive-like interference by the US.
