Are you using the latest version? I can hardly see a speed difference compared to VS Code anymore, even for big projects and files. It's certainly very far from being unusably slow.
>buggy software and the unresponsive devs
I mainly use VS Code for that reason. It does feel a bit more polished and Atom is missing some much requested features, most notably a list of open files in the sidebar (the plugins that offer this are all terrible).