This would go over like a lead balloon at my company, and, were that person on my team, I’d tell them to change it. It does have a connotation of “when I feel like it” about it, and most of my team is not high enough up the food chain to take that sort of stance (and the ones who are high enough up are client-facing and have the good sense not to do so).
There are multiple ways to craft your out-of-office message, but there are a couple of standard best practices to follow that will ensure you don’t come back to angry or confused customers, coworkers, or vendors.

Email From Secretary Perez: On Labor Day | whitehouse.gov. More general requests can be emailed to. Out of office message examples. If your message is time sensitive, use urgent in your subject line so i know to reply by the end of the business day. Festive out of office holiday messages provide you with a creative approach to tailor your automated email message to a specific holiday.
But it seems a bit too chock full of dismissive, thinky veiled put-downs really. I wouldn’t want to work for someone would lump the people who work for them as competent humans (oh-em-gee, thanks), is that the best they can do to describe people? Oh wait….they look out for her (is she a princess) and each other (should I start applauding now?). No one needs to call me or anyone else a rock star, best teapot decorator in the multiverse, or amazing humans all the time but the best she could crank out was competent + humans. I get the attempt to be witty but it’s really sad that she isn’t more generous.