People on a hurry and the uninformed that still haven't heard that you can end up with malicious stuff on the clipboard if you haven't careful e.g. someone who

People on a hurry and the uninformed that still haven't heard that you can end up with malicious stuff on the clipboard if you haven't careful e.g. someone who inspects the text "systemctl restart cups" on the webpage, concludes it's what they want to run, then copies it straight to the terminal without noticing the web page was hiding malicious code in invisible text.