That's very true, squeak, but as you already know, just about every single CD you hear, every recording ever made for probably at least fifty years, the vocals were treated with a compressor, to tame the dynamics and make it 'sit' in the track.

The thing is, our arrangers have nowhere NEAR the dynamic range of a real band... the drum samples are compressed, the dynamic range is a fraction of a real band. To help 'sit' in that mix, a vocal comp can go a LONG way to adding the icing on the cake, no matter how good the initial vocal control is. It is a rare thing in the studio that a singer is not pushed through an LA2A or similar, while tracking. Even the greats...