In context (from LATimes):
Not only that, but just when anyone is handed a gun you need to make sure that you are not pointing it or pulling the trigger at anyone or anything that you’re not willing to shoot. He didn’t take those basic safety recommendations and procedures and protocols into account.
“He absolutely had a duty to either check the weapon himself or have someone to check in front of him,” Carmack-Altwies said. “We’ve spoken with several actors, A-list and less than A-list, and all have confirmed that when you are handed a gun, you need to look at it and make sure that it’s safe.
She is not claiming you can’t point a weapon at someone on a movie set. She is claiming that you should not point a weapon that you have not confirmed is safe via standard practices on a movie set. I cannot speak to what Baldwin did or should have done, but here statements are not stupid. She is also working with a Republican special prosecutor, so not really liberal.