Gary Kasparov has been going on about Putin for years.
Of course he tried to stand as a political opponent to him briefly, but corruption meant that he was prevented from doing so.
This isn't a problem that has emerged overnight, the west's continual weak responses to increasing aggression has emboldened putin
Kasparov's book "winter is coming" published back in 2015
https://www.goodreads.com/book/show/...nter-is-coming
Foresaw a lot of what was happening, and lays the blame at the west