Complex sentence: The Feast of Our Lady of Mount Carmel as well as that of Saint Simon Stock came under scrutiny after Vatican II due to historical uncertainties, and today neither of these liturgies, even in the Carmelite proper, make reference to the scapular.
Split into simpler sentences: The Feast of Our Lady of Mount Carmel, as well as that of Saint Simon Stock, came under scrutiny after Vatican II due to the historical uncertainties of the case. In the 21st century, neither of these liturgies, even in the Carmelite proper, make reference to the scapular.