People are created to worship God alone.
They worshipped idols instead.
He sent prophets to guide them to worshipping Him alone.
They worshipped the prophets more than they worshipped the idols.
Some of the most disingenuous people are those that believe that they are from the 𝐬𝐚𝐯𝐞𝐝 sect, but at the same time don't want to invite others to their sect because they value their slogans of political unity.