Chipotle has a Gen Z and millennial problem. Boatwright said in a Wednesday earnings call that customers who make less than $100,000, a core audience accounting for 40% of Chipotle's sales, have pulled back their spending.He said that customers in the 25- to 35-year-old age group were "particularly challenged," a trend he said was not unique to Chipotle. This cohort, which includes older Gen Zers and younger millennials, makes up about 25% of the chain's total sales, per Boatwright. "This group is facing ...