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
From a non- paywall article about Hannah Kreager:
I hope she's successful. The Safe Third Country agreement needs to be ended. Until that time, the path to claiming refuge status from the US will be extremely expensive and onerous and not likely to be successful. The canadian government needs to be called out on their hypocrisy and refusal to 'rock the boat' by ending it.