PBA: See the Beis Yosef in this Siman. It’s definitely Assur to reach Shichruso Shel Lot.
HaLeiVi: The Rama is only a misconception if you assume he’s actually learning from the Rambam. If he just says to drink a little and gives an Eitzah for when you will be Ad D’lo Yada then people read him correctly.