If it isn't clear at this point, @tabu is an Anti-Russian troll, much like @SolarWarden.
Just in the Russian Economy thread, he used the term 'vatnik' unironically. I don't think there's any need to engage this guy.
Not really a troll. More like someone who is having a pro-Ukrainian meltdown and is in copium mode after the elections since this person is almost never on this thread.