Employers, unsurprisingly, do not like this. It’s rude, they say, and unprofessional. And sure, it is. But employers have been doing this to workers for years, and their hand-wringing didn’t start until the tables were turned.

In today’s topsy-turvy job market, a strange new thing is happening. Employers are increasingly grumbling about job seekers “ghosting” them. These job candidates just don’t show up for their scheduled interviews. And in some cases, new hires accept a job only to disappear.

If employers wanted to be treated better, they shouldn’t have spent the last three decades treating candidates with such little humanity. You can’t treat an entire class of people like crap for decades, strip them of rights and protections, and then be upset when we don’t show enough deference to...