I use VSCode (electron based) on a flight cross country regularly. I generally have enough power for the flight (4-5 hours), without much problem.

The memory usage hasn’t been bad enough for me to notice it stealing resources from other apps that need it. I don’t think most users notice.

I’m not talking about you. It’s clear this is a big deal to you, and so I assume you don’t use any electron apps. I think that’s a gamble most companies would make, losing a small number of users, to have the potential to gain many more.