Guess you didn’t read the article fully.

Here is the actual TLDR as to why chrome is bad for non techy people,

1. Chrome does not have the ability to block any malicious ads pretending to be genuine.
2. Chrome does not respect the system wide dark mode when it comes to websites.
3. Chrome automatically logs you in. Not good for privacy.
4. Article recommends Firefox (with ublock and dark-reader) or Vivaldi.

Some dev must have put some EPic SensiTive filE IN it.

What you mean syncing with Gnome app?