No one has been granted refugee status on the grounds yet, so it’s not possible to say. People are immigrating by other means.

The Safe Third Country agreement is a major barrier and must be dropped, but that’s not going to happen: despite all the warm and fuzzy talk the give has had during the previous trump admin and the current, the gov continues to fight challenges to the agreement in court: https://ccrweb.ca/en/safe-third-country