EEE isn't about the code, it's about the community. They brought in a lot of people from the Linux world through .Net Core, proper Linux support and porting tons of libraries. They could next try to convert those to paying customers by locking them into VS.
I work at MS, and I love .Net, but I'm really frustrated at this. I have a disability and VS Code is far more accessible for me (b/c extensions), but it's painful getting things done compared to VS.