Well, when you are young and you are still figuring what you like videogame-wise, you'll play genres you think you'd like but you won't like enough and stop playing.
I thought I liked adventure games, but I really only loved Manic Mansion, first 3 Monkey Islands and first two Broken Swords, while I couldn't finish other classics like Day of the Tentacle or Syberia without a walkthrough because I hate playing games that can make you pull your hair and waste time looking for a single clue.
I figured out I like RPGs but only if all activities are fun (ex. Witcher 3, the new Horizon game, Divinity: Original Sin 2), dislike JRPGs and most definitely don't like Bethesda games. So I rather buy one great RPG that I'll play multiple times than multiple ones that will bore me halfway through.
I love platform games/metroidvanias if they aren't too hard. Hollow Knight, both Ori games, the newest Rayman games = love them. Super Meat Boy, Cuphead and similar games = not for me.
So when I read Crzd bought Guardians when every reviewer mentions that it's more of a linear shooter with a strong story... and he stops playing it because it's a linear game, it makes you think why he even bought the game in the first place. Kinda a waste of his money and time, after more than 15 years of gaming everybody probably knows what they like, most of the time. My rule of thumbs is always check at least one review before you buy a game.
I'm very methodical nowadays with how I game, what I buy and I want to experience everything that is supposedly a great game, but still I'll skip certain genres - I'll skip strategy games because I'm not cut out for them or I'll skip driving simulators because they aren't fun for me even tho they look and feel amazing.