(If you can disprove that he's anti-white to me, I'm eager to listen, because you're so well-read about Dugin compared to me)

Hardly read anything. I've listened to a couple podcast interviews he did and he just talks about the same kind of shit Evola and other traditionalists do. When he's talking about white he's basically just saying Modernity or 'The Western World' (liberal capitalism, the empire of nothing etc). I find him entirely uninteresting, anything of value he has to say that relates to us can be found in way more interesting and relevant figures to us.

By your logic, you shouldn't be allowed to call out any other political figure for being anti-white when they're brought up by someone in our own circles either, unless you've wasted your time doing extensive research into his life history and his other polical views.

Absolutely shouldn't if the person is completely irrelevant. Dugin isn't even in Europe or America, he isn't trying to gain a following here, he has no influence in our institutions etc. Caring about some random guy in a completely different country is absurdity, are you going to pick out some random Chinese academic with no influence in our countries or even his own next? This is what I'm pointing out, it's just stupid and not at all related to our struggle in the slightest. It's goyfeed to distract you from actual serious political thinking.

This is just such a disingenuous analogy. This is an online discussion forum, not a battlefield where we're physically fighting our enemies and life depends on it.

It's not at all. It's literally 1:1 with what we're doing. We're in a national liberation struggle fighting jews for power within our countries. You're randomly talking about completely irrelevant people instead of the battle we actually have to fight in front of us.

Briefly pointing out someone is anti-white in repsonse to seeing him praised by people on our side to make them aware that they're praising an anti-white,

Nobody praised him, as I said you randomly brought him up because you wanted to characterise OP as a 'Duginist' instead of just talking engaging with whatever dumb shit he was talking about.

on an online discussion forum, is in no way similar to demanding your fellow soldiers on the battlefield stop fighting the enemy in front of them and physically go after some random anti-white who lives thousands of miles away.

Read it again, I specified we're planning. And the situation is literally identical, you are suggesting a random civilian thousands of miles away from the battlefield is a target of our battle. This kind of thinking is only possible if you allow malicious people to implant stupid ideas into your mind.