Has the church followed the Bible on slavery?

This question is a bit of an old chestnut—but I thought it worth revisiting, not least in the light of an interesting Twitter exchange I had with an Australian academic (whom I do not know in person). Robert Myles is lecturer in lecturer in New Testament and Religion at Murdoch University, and has published academically on slavery. I don’t know what interest he has in the debate on sexuality, but the conversation started (as it often does) in connection with a a discussion about the recent revision of the basis of faith of the Evangelical Group of General Synod (EGGS) in relation to sexuality: