Betteridge's law of headlines is an adage that states: "Any headline that ends in a question mark can be answered by the word no."
https://en.wikipedia.org/wiki/Betteridge%27s_law_of_headlines
Can be, however in this case it is increasingly clear that Pooptin did flee Moscow.
He was in his safe house outside Moscow until the May 8 “parade”, and seems to have stayed there until Prigo decided to surprise him.