"We shouldn't be doing things for the sake of it." said UK's health secretary Javid Singh (BBC).
Why? The recently published results on vaccine effects may suggest that passports limited to vaccinated may not be very effective in controlling the spread of the infection, because vaccination, though reducing, does not eliminate transmission of the infection. And if a clear public health benefit cannot be demonstrated, in the countries with functional independent judiciary such measures may not stand to legal challenges.
"The Night Time Industries Association warned the plans could have crippled the industry and seen nightclubs facing discrimination cases."
Morale: when one has to prove and defend their actions, one tends to think about them more seriously. Not all though. Maybe because not all of those who decide and manage have to think, explain, prove and defend their measures and policies?