What is the minimum BITS to cheer?

I'm curious, what is the minimum BITS required to cheer on a platform or service? Is there a set standard, or does it vary depending on the platform? I'm interested in understanding the threshold for participation and how it might impact user engagement and the overall experience. Can you elaborate on the concept of BITS and its role in cheering, as well as any potential benefits or drawbacks associated with setting a minimum requirement?