What does Stockholm syndrome have to do with people being okay with the performance of it. The only people that mostly have issue with slack are the devs themselves who are aware of electron.
I'm not entirely sure, that why I put a question mark on it. Some of the users I surveyed are devs themselves and to my surprise, they think Electron is good. I've just read this article[1] and I think it's best to describe the situation of being a JS dev
[1]: https://medium.com/@s_27669/i-am-definitely-maybe-suffering-...