If the employees/CEO live in San Francisco I don't think paying them European salaries will be fair right? They wouldn't be able to afford rent with ~50k range

If the employees/CEO live in San Francisco I don't think paying them European salaries will be fair right? They wouldn't be able to afford rent with ~50k range salary. I think your argument makes sense if Wikipedia had been founded/has their HQ in Germany and was paying San Francisco salaries with their donations.