There are no permanent solution for dynamic systems

I just this thought and I am not sure if I came up with this or already heard it:

There are no permanent solution for dynamic systems.

A few examples.

Pants

Pants have a fixed size. They fit to your length and width. As humans we usually do not change our length that much in our adult life. However, our width is highly dynamic. There are a few lucky ones which do stay the same always.

Software

Applications with users change a lot all the time:

Infrastructure

Infrastructures hole purpose is to host an application. If an application always changes the infrastructure needs to change as well. If not we:

And yet, infrastructure often keep still and static. It is hard to do I infrastructure changes without down time. HA systems make this possible but tend to be more complex.

Maybe we need to rethink how we approach infrastructure. Still thinking about it...