The phrase "preference thing" means that different people have different likes and dislikes, and those preferences can vary from person to person. Full definition
It's a different system, and it's pretty much an individual preference thing in regards to whether it works anywhere near as well as the traditional battle system. (gamingreinvented.com)
Four out of five, I didn't like the band - aid beer, and that's just a smoked beer preference thing. (legaltalknetwork.com)
It is a personal preference thing and what I like may not be what you like and that is completely acceptable. (eatpicks.com)