... growth models of new technologies, networks, pyramid (ponzi) schemes, cancer tumours and pandemic spreads are identical. It's the maths of exponential growth.
No. It's based on logarithmic growth, which is pretty much the opposite of exponential as the
rate of growth ("speed") continues to decline.
Logarithmic:

Exponential:

Bitcoin:

End of mathematics class

I'm not paying tuition for this one ... in which universe did internet adoption look like a logarithmic curve??

And you don't mean "opposite" but the mathematical term is the "inverse function" (I mean I don't know exactly what you are trying to say here but exponential function and natural logarithm functions are inverses).
Not sure what log base 2 has to do with anything I was talking about. But carry on ...