One of the pervasive themes in Hosea, chapters 1-3, is that God’s people have become like a promiscuous spouse through their idolatry. Like a harlot seeking after other lovers, God’s people turned to other gods, seeking good things in them as lovers, even though God is the source of every good thing they have.
This longing for other lovers shapes the way we worship, in particular what we are looking to find in the worship we offer. Worship that arises from a spiritually wayward heart, from the Baal worshiper, is self-focused and looks more to the satisfaction of our own desires than meeting with the Living God. To encounter the God of the Bible in worship means the displacement of ourselves and our desires from the center. It means we let God be God, speak what He wants to speak, and shape us the way He wants to shape us. This theme echoes throughout Scripture, as Eugene Peterson points out in his book The Jesus Way in a chapter on Elijah and the encounter with the prophets of Baal at Mount Carmel in 1 Kings 18.
‘Harlotry’ is the stock prophetic criticism of the worship of the people who are assimilated to Baalistic forms (Jer. 3:1ff.; 5:7; 13:27; 23:10; 23:14; Ezek. 16 and 23; Hos. 1:2ff. and 4:12; Amos 2:7; Mic. 1:7). While the prophetic accusation of ‘harlotry’ has a literal reference to the sacred prostitution of the Baal cult, it is also a metaphor that extends its meaning into the entire theology of worship, worship that seeks fulfillment through self-expression, worship that accepts the needs and desires and passions of the worshiper as its baseline. ‘Harlotry’ is worship that says, ‘I will give you satisfaction. You want religious feelings? I will give them to you. You want your needs fulfilled? I’ll do it in the form most arousing to you.’ A divine will that sets itself in opposition to the sin-tastes and self-preoccupations of humanity is incomprehensible in Baalism and so is impatiently discarded. Baalism reduces worship to the spiritual stature of the worshiper. Its canons are that it should be interesting, relevant, and exciting – that I ‘get something out of it.’
[From Eugene H. Peterson, The Jesus Way: A Conversation on the Ways that Jesus is the Way (Grand Rapids, MI: Eerdmans, 2007), 110.