[Someone]

I think the reasoning is like this:

- People choose Python to get ease of programming, knowing that they give up performance.

- With multi-core machines now the norm, they’re relatively giving up more performance to get the same amount of ease of programming.

- so, basically, the price of ease of programming has gone up.

- economics 101 is that rising prices will decrease demand, in this case demand for programming in Python.

- that may be problematic for the long-term survival of Python, especially with new other languages aiming to provide python’s ease of use while supporting multi-processing.

So, Python must get even easier to use and/or it must get faster.