That command doesn’t feel safe. It’ll delete anything with `DS_Store` in the name (even if it has other text). Does that even work properly? You’re relying on newlines to separate the files. I can imagine a different IFS easily screwing that up. In the end, you’re invoking three different utilities to do a janky operation which can be done properly with a single one:

  find . -name '.DS_Store' -delete