In this case the red tags have a political origin and in principle it might seem that they are not justified but do you think that any of the three who left him a red tag would make any kind of economic deal with the OP? This is a case of not trusting someone because of how they behave on the forum, even if you have not had any economic dealings with them.
It shouldn't have to do with whether or not the people who tagged him would make a deal with him. There's plenty of people I wouldn't deal with and I wouldn't leave them a red tag for it. It depends on whether or not behavior exhibited suggests they are "high risk." I suppose its subjective but based on what is written in the tags, they should all be neutral instead of red. It just happens that the war is a very contentious subject and sometimes people let their emotions get the best of them.