This is so true.
I was once part of a church that started out with a regular coffee and donut offering before the service... But it kept growing bigger and bigger until it was a full-on breakfast buffet (pastries, cookies, oatmeal, juice, milk, cereal, breads, fresh fruit, several types of coffee, hot tea, iced tea, hot chocolate...)
Word got out, and since it was in a poor area, people who weren't members started dropping off their kids for a free breakfast and 90 minutes of free babysitting (the parents would leave them there without attending themselves.)
People who WERE members of the church would take enough food for their morning meal and another on the go, saying, "I tithe to the church, so I'm already paying for this," and would treat it as a buffet.
It wasn't hard to predict that the church eventually found itself going bankrupt paying for all this food. And as is usual in such situations, you had one side saying this was a spiritual opportunity to reach the community (because even if the parents didn't stay, maybe it was getting through to their kids,) while on the other hand, you had the practical side saying, "We can't afford to keep doing this and keep the lights on."
Workers in charge of running the cafe wanted to cut down (offering only donuts and cutting them in half, etc.) but the pastor and spiritual leaders "didn't want to look cheap," refusing to cut back.
I wound up moving to another area so I don't know how it turned out. Last I heard, the church is still going, so I'm assuming they found some sort of compromise.