One of the main innovations of the Baal Shem Tov was the approach to the “poshute Yid.”
In his time many Talmidei Chachomim looked down at poshuteh Yidden who couldn’t receive a proper education and they were considered a lower class that didn’t deserve any of the privileges of the Talmidei Chachomim.
The Baal Shem Tov changed this by putting great emphasis on the holiness and purity of the poshute Yid, how sometimes his sincere words of Tehillim are more dear to Hashem than all the Torah learning of a great scholar.
The Baal Shem Tov embraced and welcomed the poshute Yidden, and inspired them with Ein Yaakov and stories of tzaddikim, and many of his opponents couldn’t handle this and continued to degrade them.
מנחם שמו