This is the most important man in history.
His death can be viewed as a blessing, or a burden.
In some timeline, WW2 did not escalate the same way it did.
In some timeline Communism could have been practiced in smaller nations before Empires
In some timeline, Communism itself could exist in a blessed light.
In some timeline... Hitler never became a politician.
I don't know if I would wish to live in a world where Tsar Nicolas II was still alive