Corrected entry: At the beginning when Scott is playing with Casey she suddenly wears a helmet that she did not have before.
Corrected entry: When Hope is fighting all the guys in the hotel, she has the device that lets her shrink and enlarge things (she enlarged a salt shaker to stop some guys). But she could have just shrunk all the guys rather than engage in hand-to-hand combat. At the very least she could have enlarged the chandelier so that it comes crashing down, flown to the tech she was buying, shrink it and fly away with it.
Correction: Shrinking a living mammal outside of a protective enclosure causes it to turn into goo. This is a major issue in the first Ant-Man film. Hope wanted to escape the men, not kill them. Clearly her tactics were sufficient to get out of the hotel, so it isn't a stupidity that she didn't use every gadget in her arsenal.
I'd hardly call a van a protective enclosure. But even if that's the case, the fact that she had the ability to avoid the fight in the first place and quickly escape and didn't is the stupidity. Just like the various stupidity entries of people having guns, tools, or keys and not using them.
I agree. Since she could shrink herself down, that's all she had to do.
Correction: The helmet was sitting on the "escape ant" and she puts it on while Scott is climbing on the sled. You can briefly see Cassie putting the helmet on when Scott asks how she knows about the "po-po."
Bishop73