It seems that Rabbis Asher Baruch Wegbreit, Emanuel Feldman and Shimon Pincus are not the only ones who have expressed thoughts on Aleinu in articles and S’forim.
Recently, while in Shul, this author picked up the Sefer “The How and Why of Jewish Prayer,” by Rabbi Yisrael Rubin.
R’ Rubin devoted three entire pages (pages 330-332) to some power-packed thoughts about Aleinu throughout the year which have been excerpted here. R’ Rubin writes: