Occasionally have a similar response from professional pilots. I reply with a 'Negative, land after.' Some say, 'OK, we continue', some reply, 'Say again?' others say 'we cannot accept a land after'. Choice then is a go-around, or 'continue for a late landing clearance'. And then they go-around.
This is a phraseology point which needs to be followed up, such as a phone call or a chat with the base chief pilot. Don't let it go!!