I suspect there are a host of criteria to consider.
Both subjective and objective.
Their totality.
Structure, design, atmosphere, supporters, ticket cost, etc.

For the sake of this discussion topic...

This site, in two parts, ranks us 16th.
I am not so sure I would even rank us that high.

https://13thmansports.ca/2022/08/10/...adiums-part-1/

https://13thmansports.ca/2022/08/12/...adiums-part-2/