How about they make the monthly pass a more compelling option for people by making the break even point 20 trips? Even before the pandemic I would have to evaluate if I wanted the monthly pass because I wouldn't be going in to the office enough days to make it worth it.
In an ideal world we would have a system that just caps fare usage when you get to certain breakpoints, with a daily, weekly and monthly caps so you never have to try to guess how much transit you use, you just use it and if you use enough it just stops charging you (because you've paid enough for a monthly pass for example).