My intuition says that it's a pun using her name and, well, COBOL, which I found quite awesome in the context of trying to build a beautiful funcional language.
1.Intellij Idea is faster , you could try searching for the same project.
2.Intellij Idea is way more Intelligent than Eclipse. try jsp/javascript/java editing by urself, and you will be surprised
3.Built in support for a lot of popular Frameworks and Version Control Systems.
1. MS has always been the king of "on paper" features. That was an important reason back in the 80s and 90s for Word, Excel, PP to win the market.
2. MS Office is by far the most profitable software product in the world, while Libre Office is not the coolest open source project. Which means a lot more developers on the MS side.