What things did Muhammad see in Mecca that bothered him?

The following are the things that Muhammad saw in Mecca and was bothered by: He saw that the people in Mecca were worshipping idols made up of stones and treating those idols as the almighty himself. He saw that people were adding stones of their own and making other people worship those stones forcefully. There was havoc created by the people who wanted more people to believe them and worship their stones. There was violence all over and it bothered Muhammad greatly.