I have never understood why songs like Like Angel Passing Through My Room or Soldiers have never been regarded as great songs by the public and critics in general. Fortunately, there are some fans who prove the special meaning of those songs by doing nice videos as tributes to them, for instance.
Here you can watch some of those tributes which really value ABBA non-hits.
Like An Angel Passing Through My Room by RJSChess
The Piper by Sinny1992