It was definitely not intentional. Pikachu are known to be docile, people-friendly creatures. The worst Pikachu can do is act like a bit of a house pest by chewing wires, but that's the most of it. Amp followed the nature of the Pikachu species quite closely with that.

"Pikapichu!" She nodded in response. She was having a very good time, and now that a friend was here, she wanted to have fun with her!

"Pikapika?" She pointed to the snow before she rolled up a ball of it in her paws. She then began to roll said ball in the snow, causing it to expand and build with more and more snow. Amp wanted to make snowmen with her!