Well, the ad for my employer (as an WP-link) came from you, didn't it?
This is not the first such post: I have a tool, that makes it simple to later visualize from where the reactions came. https://social.heise.de/@mho/112965913501761509
I think it's quite interesting to compare the promise of the #Fediverse (reach so many different networks) with the reality (it's mainly #Mastodon). And this is a good way, I think. On the other hand, this posts do show, how far your content can go.