According to the article you posted;
- Bingo??
- Craps??
- Roulette??
- Lottery??
- Video Poker??
Almost half of the games you mentioned in your blog is luck based game, so there's no skills or techniques needed obviously.
that is why i hate clicking links from newbies because most are click bait.
look at those listed in articles ?how can people say that Roulette needs skills/and also Lottery lol.that is a truly Joke.
and also all of the 5 games you mentioned is Purely Luck base game so where is the Skills can be use?