I hate to be defending Omarchy but I think for the modern desktop OS like Linux or Windows or Mac OS, "root" is not what it used to be.
Like if I have something on my dev machines which is important from an enterprise perspective it is the credentials that I use to check things into the git repository or log into the postgresql database that are in some file or keyring or the credentials I used to log into some corporate IT system with my web browser. Or the Microsoft Word document with confidential plans, or the spreadsheet with personal data on 30,000 people that I don't really need to have, etc.
The "root" barrier is of limited effectiveness against those sort of attacks but the barrier between users is less important on a personal computer as opposed to the "minicomputer" world that gave birth to Unix.
In 1989 my school had a cluster of Sun Workstations running Unix for which student, faculty, and staff had accounts and it was a real threat model that you might steal the homework assignment of another student or you might take screenshots of the screen of the computer center's director that would let you watch him reading his email his email and such.
I more concerned that Apache is running under a "httpd" account or IIS is running under its own account so that I do have controls on what can be exfiltrated by that route but...
The modern developer is likely booting up a sinatra or JAXB or a httpx server on some high numbered port running as their own user so if they're going to get hit with data exfiltration or remote execution against a dev server the scope is most user files.