I know that many gamblers in casino games will choose Poker because of some personal skills and choices to make when playing. The first time when I played Poker games, I was novice on the board which I don't know what was going on and I was like an observer or a supervisor in the seat. When it is my turned to play I saw some features below my username like, Fold, Raise, bet, etc and I was only clicking on Raise and it was later I understood all those features and play well with others but I loss out.
Slot games like fruit matching or cutting, I have never win any day. So I don't even go there. But in crash games I have won good number of times although crash game is mathematical (calculative). If the player knows when to hit the plane or fly, he can make some wins. Among all Poker the s the most preferable casino game.
Crash and slots, you less chance to win from. You can win and you can win big of course, but you are relying on blind luck with either. Poker on the other hand is different because like you say a person might have a higher skill level vs the competition.
I would recommend that anyone who wants to learn poker or give themselves a better chance at winning money check out some of the poker streamers out there. I watch pokerstaples on twitch and MattStaples. They are 2 brothers who play for Partypoker but give you good analysis. You can also look for some literature through google or go to a local library and find some books.
You're not going to be a pro overnight, but the more you know and the more you learn, the better chance you have vs the rest of the field.