Earlier quoted context omitted.
You seem to be implying there's something "wrong" with it. But tech salaries are just based on supply and demand. If there were more good coders in supply, salaries would go down. So what exactly does "out of step" mean? Everybody's free to try to learn how to code and get those salaries. And so it's not clear what Wikimedia is doing wrong with salaries, if it's paying what's required to get programmers of the needed…
It is entirely possible to work in tech for a company that does not make any profit for years but still receive big pay checks. I used to work for a company that is at a loss, but we have the "potential" to turn around and i still get paid quite well. How does that work?
It's like how the price of strawberries this week in the supermarket is determined by the supply of strawberries, demand from customers, and the price at neighboring supermarkets. It's not set by anything to do with the supermarket's profitability.