We’ve used this for years as our answer to users who request a desktop app. They’re generally pleasantly surprised and satisfied with the result.
Yeah, my experience is that these behave in unusual ways: it’s ok, but they always feel a bit off, even compared to Electron
You have to design your site for this, back in the IE days we did this for some corporate tools and went full kiosk mode. The user didn't even know that it was a website.