I’d love to see what numbers people get. I did some work on this recently as my numbers were low.. turned out that kind 3 events got too large (people following 100s) and were being rejected from what I collected.
Funnily enough, only in dev, I had a bug where the counts went the other way too - when event processing failed and were retried, my summary counters borked.
Long story short, I was surprised too once I started to get more accurate numbers and tweaked some stuff. More than expected.