There has been advertising on PBS for a long time. I have a four year old at home. Chucky Cheese is on constantly at the end of each show. We don't turn away

There has been advertising on PBS for a long time. I have a four year old at home. Chucky Cheese is on constantly at the end of each show. We don't turn away b/c usually we are waiting for the next show to come on. PBS streams a lot of their content. There is zero advertising on the (pbs kids) web site (that I have seen).