Weird - I wonder what they were thinking?
If they thought that it was worth ruining them, they must have believe that they work.
If they thought that it was worth ruining them, they must have believe that they work.
Anything that can go wrong will go wrong and the execution of the plan needs to account for that.
It’s still interesting to wonder what they were thinking, since it might be informative about how to make the plan better, or about risks that have not yet materialized.
Making sure the vaccine is monitored and distributed correctly is a problem to be solved.
The motivation as to why a someone wouldn’t want that is a thought experiment.