No .. it's pragmatism .. same reason we carry insurance for DJ events even though we "know" nothing will happen. We'll see when the vaccine starts rolling out ...That ignores every bit of judicial & legal precedence that governs such matters.
You illogic would mandate that manufacturers of automobiles be "enjoined" in every vehicular accident because they had no idea that the at fault driver was inept, intoxicated, impaired...etc.
Your fears do not mandate complicit behavior of others.