The media made all kinds of groundless prophecies especially at the beginning of the war when everyone, including Putin, were clueless. But now it should be obvious to everybody that it's going to be a very long war and nobody has any idea as to how it ends, and whether Putin's death will actually end it.[0]

[0] He's much older than the average life expectancy for men in Russia (which is probably around 63 years now) and ill but with expert medical care he might still live for another 10-15 years, one just might wonder how it would affect his brain.