It's not weird! It depends from which country you are coming. For example, If you are from Europe like Nikos and I you don't need medical. See below the link, which countries require medical and which don't.
https://www.canada.ca/en/immigration-refugees-citizenship/services/application/medical-police/medical-exams/requirements-temporary-residents/country-requirements.html
Unfortunately, whoever wasn't required to pass a medical exam in the past, during this temporary policy, is unlucky...
https://www.canada.ca/en/immigration-refugees-citizenship/services/application/medical-police/medical-exams/requirements-temporary-residents/country-requirements.html
Unfortunately, whoever wasn't required to pass a medical exam in the past, during this temporary policy, is unlucky...