[henearkr]

The current contents (not joking): (this is why the situation is crazy)

  #!/bin/sh
  cmd=${0##\*/}
  echo "$cmd: warning: $cmd is obsolescent; using grep -E" >&2
  exec grep -E "$@"

[henearkr]

I cannot edit anymore, so I add this:

This is the case in a distribution (Arch) that has effectively taken the maintainer's advice into account, not the reverse.