It’s measuring something that is not human users. That’s why the retention is “low”. There’s lots of reasons for ephemeral keys for example.
Discussion
Check out the tooltips. Lots of the charts filter out ephemeral pubkeys that have only been seen on events like gift wraps or marmot messages. Basically any time it’s a throwaway key we don’t include for aggregation stats.
10/4 I used the word “ephemeral” a little loosely there. Temporary probably made more sense there. NIP-17 on the brain.
it's ok, inflating the numbers is good for marketing purposes