"That's because you know of a better IDE!! Go on, enlighten us!"
Unluckily, there's been a time when too many people blabbed around that after Eclipse IDEs would have been just commodities and there were no need to develop others.
The result was just a stall in IDE development, and their dreadful state is well under our eyes.
There was also the vi crowd who never understood some class of applications - especially those with a GUI - are far better handled using an IDE.