[Mefis]

And myspace had 75m monthly active users at its peak.

This really does look like a bad comparison.

Maybe you could adjust for total internet users then and now but I doubt that would make a difference.

Edit: (dubious) source:

https://startupbros.com/myspace-the-rise-fall-and-rise-again...

[icc97]

That 75m might not look so bad if you compare it to the total number of internet users at the time. But it's still probably an order of magnitude smaller than Facebook.