“You are the most hated demographic at game events.” A major Japanese indie game showcase is waging war on “unsolicited advice dudes”  - AUTOMATON WEST
automaton-media.com
The organizers of Japan's Tokyo Game Dungeon have been going to great lengths to spread awareness about what they call "sekkyo ojisan."

The organizers of Japan’s Tokyo Game Dungeon have been going to great lengths to spread awareness about what they call “sekkyo ojisan.”