Jesus is being identified as the Son of God in this passage alone. This is the only time in this book where Jesus is called the Son of God, which makes me believe that this church is meeting Jesus not as their advocate, their intercessor, but instead as the ultimate JUDGE.
And this Judge is missing nothing. His eyes like a flame of fire means that nothing can be hidden from him.
Yes, we as Christians can fall into sexual immorality, and idolatry, but we are not to have such a life style. And certainly teaching others in the church that such a life style is acceptable to God is bringing the judgment of God upon those who do so and the church that is tolerating such teachings.
The Lord said that He gave this false prophetess time to repent, but she loved DARKNESS RATHER THAN LIGHT. She simply refused to accept the Word of God and to live accordingly.
Remember, the church in Thyatira was commended for their works, especially their works. But such work, when it replaces FAITH, which is a form of spiritual idolatry, is introduced to a church that is under God’s judgment.