I mass evolve pidgeys, weedles and caterpies with a lucky egg but most others without. Today I sat on a bench in Clydebank next to a gym. About 10 feet away on another bench was a primary school aged boy and his mum. He proudly showed her that he'd just taken his first gym, pointing at the screen with glee. I took about 10 seconds in destroying his CP 800 Magmar. When he realised he'd lost the gym he took about 10 minutes reclaiming it. In the time it took for him to use potions and the like where the gym remained unclaimed, I just added one of my own. He began to cry