'That's no excuse.' He folded his arms. 'I told him I wasn't comfortable with that.' (Kyle had yelled it, actually.) 'And I told you people like us have a lot of power, and it's on us to use it properly. Most of the time it doesn't take an overpowering amount of energy, it just takes a little push, and next thing you know you're doing something you can't even fathom, let alone stop.'

In other words, Kyle thought the snow glitter was too close to mind-control, and he'd been through that too many times.