What they do is make sure that they ask these people in visible areas to do things like this so that when tours come through and people see them they will obviously ask why they are doing. This gives the brothers the impression that they are not squandering money and everything is going to good use.
However they levels of wastefulness are extreme.
For instance every meal has literally tons and tons of food that never gets eaten. When I worked in recycling the amount of untouched food from just one dining hall was enough to feed over 1000 people at each meal. They would not give any to the homeless because they were afraid of the possible lawsuits.
When brothers donated clothes over 50% of said clothes were thrown into the garbage because they were unfit for bethel wear. They may have had a logo on the t-shirt etc...
The list goes on and on with how easily they waste money yet you have people donating their last pennies in order to send it to these people