[vetinari]

The measure is value for money.

For 350 GBP (=500 EUR), you can have Intellij Idea.

When you ask your boss for a budget for Nx500 (N=number of developers), it is a huge difference, if you ask that for language bindings for GUI toolkit, or IDE.

The language and GUI toolkits are both free, the glue between them is not, and that damages them both. How many commercial PyQt apps have you seen in the wild?

Exactly.

Imagine, if someone asked money for XAML for C#... or for JavaFX. What it would do with their adaptation in projects?

[scrollaway]

> How many commercial PyQt apps have you seen in the wild?

Not many because most people use Qt, not PyQt. It's just easier.