Awesome pic.
So many stars!

I wonder if all (or almost all) of these are empty worlds. Seems like a waste of space, but on the other hand, where is "magic" in the sky?
Certainly, there is nothing out there that "looks" like like an advanced civilization of Kardashev scale >2.0
Normally, a civilization that is growing at 3% a year in energy consumption, should reach type 1 (from current 0.73) in 100-200 years, type 2 in a few thousand years and type 3 in a 100K-million years.

Not all stars appeared at the same time. In fact there are many stars in the Milky way that are billions of years older than our Sun.

If it takes "only" about a million years for a tech civilization to reach type 3 (with projects on the galaxy size) and there were MANY stars older than Sun.
In fact, one paper suggests that average star with a habitable zone is 3.3bil years OLDER than our Sun.

The sad conclusion is that NO ONE has made it to be past stage 2 (at least).
References:

https://en.wikipedia.org/wiki/Kardashev_scale
https://arxiv.org/ftp/arxiv/papers/1509/1509.02832.pdf