Still doesn't make the metaphor make any sense. If anything, it is proving the exact opposite point since when it comes to programing languages/environments the difference in speed is much more comparable to the 10-30ms from the example (negligible) than to the "years" - the one being "wrong".
If he meant that word, he should have used that word. Even if he meant “sucks,” I don’t think he’s right. I use VS Code professionally. It’s far better than Sublime Text or notepad++, despite making different trade offs on the native vs electron UI front. To say something sucks is a wholistic statements that isn’t supported by the evidence he gives. It’s far more accurate to say “it’s unfortunate that electron has these drawbacks.” That’s true but also kind of vacuous.