“But the passports? They may be a good stick,” he said, “but I’m not sure how effective they are for slowing transmission.” He worries, too, that passports are creating a “me-them” environment that could only grow worse if the pandemic persists. “We’ve seen it affecting families, splitting families apart.” Once vaccines became polarized, “all reason went out the window.”

Others believe vaccine certificates may even now be harmful, “because it makes people think that they are in a safe space — they were pre-Omicron, but no longer,” Toronto infectious diseases specialist Dr. Andrew Morris wrote in one of his COVID weekly emails.

“Vaccine certificates may prove valuable again at some point,” Morris wrote, “but the two main purposes — motivating people to get vaccinated and protecting people by keeping spaces confined to those at low likelihood of infection — are clearly no longer relevant.”

https://www.msn.com/en-ca/news/canada/is-it-time-to-end-vaccine-passports-experts-divided-over-whether-they-are-still-useful/ar-AASNilH?