[rvz]

It was 'literally' designed to win. Microsoft Visual Studio branding is much stronger than 'Atom'.

As part of their new form of 'Embrace, Extend and Extinguish' strategy after acquiring GitHub, a significant part of the ecosystem of cool plugins, services like live share, etc are exclusively focused and supported on VSCode which is a further form of lock-in and pushes out editors like Atom.

After the acquisition, Microsoft was maintaining both Atom and VSCode and one of them had to go and they knew it had to be Atom; unsurprisingly.

[smt88]

Shortly after VSCode was released, it became much better and faster than Atom. Atom was unusably slow and memory-intensive.