This is true! The nuclear option also helps the recently returned vacationer understand what is a priority and what isn’t. But, as boyd wrote, “if you just turn off your email with no warning, you're bound to piss off your friends, family, colleagues, and clients.” The blog post offers some helpful steps to make a clean break feasible — they include communicating with colleagues about the sabbatical long in advance, managing expectations of those who rely on you, creating a backdoor for true emergencies, and then, right before going away, reminding everyone about the sabbatical once again.
I think that it depends on whether or not that OoO was going to people in the company, who new your personsality and would appreciate the humour/personal touches, or to everyone, always. If I got the from OoO from a quirky co-worker, fine. It I got it from an outside contact that I have had little contact with? Unprofessional and a bit off-putting.

Based on the nature of duties and/or unexpected developments, some non-exempt staff members who are unable to leave early may take off alternate hours during that work week (at days and times designated by their supervisors). If operational demands require that exempt staff members be present after 2 p.m., the possibility of alternative time off will be determined by the employee's supervisor.
I’ve named the conference I was attending a couple of times in my out of office. That particular conference is a big enough deal in my field that some of the people emailing me were probably also in attendance, which made it worth specifying, in addition to setting expectations about email response times and overall availability.