This is the dumbest thing I've ever read.

If you're doing all those things on your vacation it's not a vacation.

Glad it's not just me who had this reaction. :)

If your product falls apart when you leave the office for a week, I'm not sure I'd call you a "successful" product manager.

This. The bus factor[1] is much too high.

[1] https://en.wikipedia.org/wiki/Bus_factor

I'm not the writer, but I think there may be some people on HN who'd like to voice their opinion on this.