How about commenting on Western military events and giving them a cold dose of reality instead of the fantasy they give? How about technological developments that can be applied militarily?
You've been around long enough to know exactly how most of them will react: they'll call you a Russian shill or a Wumao, perhaps even a LLM powered bot!
Not to say there's absolutely no way of disarming such audiences, but unless you enjoy spending $$$$-$$$$$$ on internet "social experiments" or random shit and giggles (and nothing wrong if you are such a character), publishing such content on YouTube is probably more trouble than it's worth.