Yikes!

You were in a theater to watch a children's movie and your husband MOVED seats and sat right in front of a small child. People don't usually get up from where they have been sitting and sit somewhere else only to move a third time. My guess is she wanted to make sure he didn't settle into the seat before asking him not to sit there.

And my questions was - Is it really okay to try to dictate to other people in theaters where they should sit so that you can have the best view?

It didn't sound like she was dictating to people where to sit. She was ASKING your husband (who moved from a seat next to his family to another) if he could not sit there. He already had a seat that was working fine, but because you have a kid who can't behave and a husband who wants to act like a baby then someone else's child was going to suffer. As for the next family that came in--- what is so bad about asking the adult not to sit right there? He had a child with him and simple switch should have been fine.

Sounds like you're just kind of bitchy person to deal with.