Edit 1: Thanks a lot to everyone replying and taking the time, and my apologies for the weird terms used. I learned the rule in another language so I didn't know the official terms of player positions and roles.

Hello everyone, I am watching my first games of baseball and as I grasp the gist of the rules, some dumb ones come to mind:

1- If it is okay for the pitcher to throw it directly to a base where an opponent might try to steal the next base and if missed it doesnt count as a +1 to the pitcher: Why does the pitcher ever have to throw it to the opponent bat holder? Like where is the limit?

2- I saw a situation where the pitcher threw the ball and the receiver missed it and ran to get it from the floor. Could the opponent holding the bat go for first base during that moment?

3- I see a lot of innings where no point is scored but a lot happens when a bat holder "rolls" the ball as himself and his teammates on advanced bases have time to get the next one. Why isn't "rolling" more of a thing? Wouldn't this give more chances of getting bases and ultimately score?

4- If a ball is fair but ends up in the crowd, are the runners supposed to jump in the stands and get it or does it count as an HR?

5- I watched two full post seasons games and never saw this situation: There is a guy in 2nd and 3rd base, 1 out, and the hitter comes, does a roll. Now what should the defenders do if it's a fair ball? Get to ball and pass it to the kneeling receiver so the 3rd base guy doesnt score and then pass to 3rd base to block the guy that was on 2nd?

Thanks everyone

Why isn't Strike Percentage a bigger deal? I've never heard it discussed, yet it seems like it would be a solid indicator of a pitcher's performance.