For a foul ball, they usually let it slide. If it was a fair ball which rolled into foul territory you can expect to be removed from the park no matter how much you protest that you’re sorry.
OMG! One of the linked videos at the end is Puddles the clown! He’s taking over my world!*
*Do those come from the original person’s video, or are they targeted at the end user (me) based on what I’ve watched before? I thought the former.
I vaulted over the fence at Yankee Stadium to join the players on the field before the 1977 All-Star Game. Security told me not to do it again and let me stay and talk to the players.