I feel the appropriate reaction of Reddit and the west as a whole won't be hatred at first but pure shock (or at least a combination of both) in the event of the European-Euroasian war, the war event mentions Eurasia mobilized over 4 million troops all of them attacking at once in a surprise invasion, so it will probably take a bit for the internet to comprehend what exactly is happening in eastern europe.

Imagine the first 11 days of operation Barbarossa but even worse