> But this is not the only thing you observe.

Yes it is, in this context.

When you take into account more factors, then sure you can get a better prediction. But then it's not the Lindy effect anymore.

I'm talking about the Lindy effect only. Nothing else.

First sentence on the Wikipedia page:

> The Lindy effect (also known as Lindy's Law[1]) is a theorized phenomenon by which the future life expectancy of some non-perishable things, like a technology or an idea, is proportional to their current age.

Proportional.