This has always been true. And yet the human race has had so many.
I think we have reached an inflexion point globally where the scars of WW2 have ceased to have the tempering influence on politicians they did in, e.g. the 90s.
The lack of a living cultural memory of total war makes it a great deal more likely.
Flights out of Russia sell out after Putin orders partial call-up: https://www.reuters.com/world/europe/flights-out-russia-sell...
Don't underestimate russian apathy and the government's iron grip on the populous.
Imagine the most angry Americans after 9/11 being told that they needed to go fight as America was being pushed back by Iraqis military and Iraq was on our border. At some point you have to accept that the emotional climate matters more than the 'facts' as we may see them.
/an explanation of why we might ought to not assume the Russian population might legitimately be swept up emotionally and actually support this war not rebel against it