Most of us decorate to our own tastes, but I guess this article is relevant to people who might be selling in the medium-long term as well. Particularly when it comes to something like a bathroom, which you are unlikely to update for a long time.
I think the advice for keeping the bathroom simple is good, and I certainly don't like pink! Themed rooms can date quickly, too.
http://www.domain.com.au/advice/five-interior-design-trends-that-turn-off-buyers-20160929-grr1mi/