Wala naman sigurong maglalakas loob na i-report ang local board posts ng kahit na sino, especially if talagang they are from that country.
Mostly, nagiging suspicious lang naman ang local board posts kung hindi ka frequent sa specific board na 'yan, then biglang marunong ka na sa local language nila.
For example: tambay ka mostly dito sa local board (Pinas) pero nag-post ka bigla (or consecutively) on RU board; suspicious move talaga yan, and some users might even start digging more sa mga previous posts mo.
Besides, para ma-validate talaga na AI-generated ang isang post, most don't just base their judgement sa result ng iisang AI detector like Sapling; madalas, tatlo o higit pa na unanimous results.