How come they were pressed by Spotify and SpotX hasn't been (that we know of)? It makes no sense.

Yes, and no.

Docker images can still have a drift in layer delta if one would not pin system package versioning of the applications being installed, even if the instructions to generate those layers remain the same.

The output being an image does not make all iterations of those instructions the same thing.

Or to implement optimized container images built with best security pratices. That’s the point of his argument btw.

Yes, I get that. My point is that you won’t accomplish that by holding the business hostage.