After about a week with me playing less often and really only logging on to do my daily missions, I am rank 41 on the Overwatch 2 battle pass. With 50-something days left in the season it stands to reason that it is possible and feasible to get to rank 80, the max rank, just by doing dailies and weeklies. 

This doesn't excuse putting future heroes on level 55 of the pass but it is also a bit less daunting considering just playing normally without the carrot on a stick of dailies and weeklies gets you a pittance of xp.