@atomicpoet one may see a big proportion because they are on a large server where someone follows someone else and it gets propagated. a third will think why the heck does this not get any responses because they only follow the original poster and nobody else on their server is interested in the topic.
Subscribe to a hashtag and what you get will differ immensely.
I do not think this is a situation that is desirable and we should be complacent about.