This could be an effective approach but I guess even if we boycott the Russian gambling platforms, it still couldn't stop the war because aside from taxes from gambling, they still have lots of resources to support their current war. Innocent lives are already suffering from what is happening to their country but I believe that this too shall pass. The sad thing is, that this war could continuously take more lives.
Well if the the sanctions which have been imposed by the US and their allies have not been enough to stop Putin from invading Ukraine it was unlikely a small boycott was going to have too much of an impact, but despite all of this if people want to vote with their wallet and not support any casino which has any kind of relationship with Russia then they are on their right to do so.