We can stand together for the gospel with or without a conference.
Jesus standing at the door and knocking is not an evangelistic outreach, but a tender picture of his care for the church by calling her to repent of blending in with a godless culture.
The OT equivalent of a zip code map seems irrelevant to modern living. What spiritual benefit should we glean from these lists, if any?
As you read the Bible it becomes clear that the temple is a big deal. The key to rightly valuing these portions of scripture is seeing why the temple is so central to the story of redemption.
In a way, when the law exposes our sin it also promises restoration through the Messiah.