The red herring in the original comment is that Electron apps can't be multithreaded. They absolutely can be - through web workers, child processes and more. They can also fall back to calling native components for CPU intensive tasks.
Just because Electron is used in a technology stack doesn't automatically mean that the developers are going to be lazy.
Just because Electron is used in a technology stack doesn't automatically mean that the developers are going to be lazy.
Lazy devs be lazy, bro.