Earlier quoted context omitted.
I don't know if Facebook's influence hasn't been reduced already, and how many users it actually has. I still have an account for instance, but I log in only once/mo. and keep it solely for the API keys. My friends seem to be a little less active then 10 years ago, as well.
Don't relate your experience to everyone else's. My friends are more active than ever on FB today for instance. Also, FB revenue and users are increasing - which indicates they are not seeing any downturn like what you are talking about here.
The number of facebook user accounts never goes down with new bots getting accounts constantly but people activty logging in and sharing, posting or caring is down.