As with all things legal, the answer is "It's complicated."
First, even some Mini 4 Pros went over the 249g line. The reality is that there are no TC police out there weighing each drone to ensure compliance. For one, that's actually the drone...
This entire discussion is frustrating at so many levels for sub-250g drone ops in Canada.
We get the armchair lawyers (typically licensed drone ops) reading the rules and chastising us if we don't comply 100% and citing rules for licensed A or B...