As someone who was considering building a home with a rental suite, and who knows multiple others who were planning to do the same — I can assure you this is an incorrect hypothesis.
But the scenarios you described seem to be excluded from the legislation?
https://www2.gov.bc.ca/gov/content/housing-tenancy/short-ter...
>Effective May 1, 2024, the Province is implementing a provincial principal residence requirement which will limit short-term rentals to:
>* The host’s principal residence
>* Plus one secondary suite or accessory dwelling unit on the same property