Have 1000 people tell their boss they need a month of paid leave to deal with an acute cancer treatment or recover from a kidney transplant.

Have 1000 people tell their boss they need a month of paid leave to deal with alcohol addiction.

Measure the immediate reactions and future performance review and employment outcomes of the two groups. Do you expect them to be the same as each other? I don’t and I think it comes down to “I or a family member could get cancer or kidney failure” vs “alcohol addiction is a choice” thinking.