Thanks so much for your love in your comment, it warms our heart to read it <3
The small camera snap should happen the first time you pickup a cookie, the shader for the vanishing animation compiles and it can make your game freeze for a few frames, making it seem like it's laggy, yeah.
We have some dedicated spots where cookies can spawn, some flagged as easy, others as hard. The more you complete runs, the less easy cookies spawn, and the more hard cookies spawn, but I do agree with your sentiment, the code that generates them might make it too easy, BUT we wanted to err on the side of easier difficulty for a game jam to not punish people who will play for 3 minutes ^^'