Weil diese Dateien auch dann nicht angezeigt werden. ;-)
„An ls -a ~/.Trash in Terminal showed a .DS_Store file. According to various Internet postings, even if you have hidden files exposed (I do), macOS High Sierra still doesn’t display the .DS_Store files.“
https://tidbits.com/2018/05/16/tipbits-reveal-invisible-files-on-the-mac-with-a-keystroke/