Yes, he and especially his fans have been working on establishing the image of a strategic mastermind.
But in reality, he's just a short, puffy old man, living in ridiculous kitschy palaces, sitting on ridiculous long tables because he's afraid of even his most loyal underlings.
With attacking Ukraine, he made a huge mistake. He simply counted on the west doing nothing, as usual, but this time he went too far. But because he's just a powerful man, not a great man, he's unable to admit that.