I've only experienced a few encounters with Russian and Israeli over the years and found the Israelis obnoxious. This was on a bus from chiangmai to Bk, I bought a ticket from a travel agency, the bus leaked, broke down in the middle of nowhere and when it did finally arrive in Bangkok the passengers mainly Israelis bag's had been robbed, not mine I had my backpack with me,the bag's were stored below. The Israeli people on board were the most rude obnoxious lot I've ever come across .
Never travel on these busses, stick to the govt ones.
The current war in Ukraine is atrackting these people to avoid the meatgrinder, can't blame them really for that, but it's not good for Thailand