From the security perspective, it's much better, because every single app is running in a sandbox.
I don't even use Chrome for web browsing on ChromeOS, since Firefox works just fine with flatpak[1].
[1] https://support.google.com/chromebook/answer/9145439?hl=en
And being stabbed is not that different from being shot. I'd rather not be subject to either.
At least with operating systems we do still have better choices for privacy than the three you mentioned.