Exactly this. Context is everything. This checkbox would be terrible for most use cases of the checkbox, but seems like it would work well in this example. Tha

Exactly this. Context is everything. This checkbox would be terrible for most use cases of the checkbox, but seems like it would work well in this example. That being said, I think the approach could be really useful for a lot of interfaces. UX design often overlooks the little details that happen when a user interacts with something. A little extra zing can go a long way.