Because I do not understand why you keep equivocating baptism with the elect only.

don't know how it is with your church but anyone at all is welcome to come to our services. However, the fact that they come into the church, say the prayers, sing the hymns and listen to the sermon does not make them part of the New Covenant.

Precisely. So your church has a visible connection, of which, the elect are a part. Just as it was in the OT, just as it has been throughout history.

God bless,