"It was also costing potential customers in the cozy, 19-seat space as students and remote workers turned a $3 cup of coffee into a three-hour stay".
With customer no longer as likely to take up seats in the cafe the turnover is higher, and with that comes more revenue and profits.
But profits aren't something progressive Brookline residents like to talk about, even though they and their wealthy neighbors living in multi-million dollar houses certainly earn a lot of money somehow. So we've got the story.
Bingo! You nailed it.