P-HACKING
25% is actually really really good. Its just above the 80/20 pareto principle. Prices law probably makes more sense here but the point is still the same, pretty much all platforms where you are publishing you'll see a similar distribution.
Pretty all the users except a few contribute little to nothing and a very few contribute the most highest value output and accumulate a lot of value (followers/influence).
Usage (consumption is what you are looking for).. like monthly active users..