That's too broad a generalization. I am aware of unionized environments where the employer uses MFA and expects the employee to bring their own device, and the

That's too broad a generalization. I am aware of unionized environments where the employer uses MFA and expects the employee to bring their own device, and the user is expected to read the online KB documentation in lieu of formal training. tl;dr -- unions aren't all alike, and don't all bargain over the same issues.