they're usually obvious because they quite literally copy-paste threads directly from /pol/, or they just talk about shartian celebrities like alex jones or joe rogan
talking politics does no make you /pol/, obsession over your shartian talking heads while obsessing over race (usually nigger dicks) does
I could see your posts if you quoted mine, but I probably went to 4kohl three times per week in the last few months so it's not like I was active much