There is a time to complain and a time not to complain. The trouble is most of us don't. I constantly hear complaints. Wives complain about husbands and husbands complain about wives. Parents complain about children and children complain about parents.
Church members complain about pastors and pastors complain about church members.
Throughout that journey there were two constants. First God constantly provided and second the Israelites constantly complained . In fact we can see a five-stage repetitive cycle. We still go through it today. They were delivered from slavery, passed through the Red Sea and carried out gold and silver.