He posted on Twitter about his magnificent car collection, and Greta Thunberg posted back that he was a giant manchild [ or words to that effect] Offended, he got into a flame war. Meanwhile, there's an NGO called GRETA, which works against trafficking. Someone tells Andy that he's on GRETA's radar. Incensed, he posts a video that gives clues to his location. The police use that video to find and arrest him.
If he'd acted like the powerful leader he aspires to be, he would have ignored the posts. Instead, he took the bait and got caught, just like a little fish
The reality is, the police knew he was in Romania, and they knew that he owns property in Romania. When you fly into a country, the government knows. He was already under investigation and the arrest just coincidentally synchronized with the pizzabox photo.
It's one of the lessons he teaches his students/acolytes; the person who speaks less in a meeting is the one in control. Too bad he couldn't learn his own lesson.