People will still fall for it by treating it like a demonstration of what Elon wants to make, and just an early prototype. The abilities these “robots” displayed are on par with technology that has been available for over 20 years. They don’t realize the parts missing, filled in by human intervention, are the most difficult parts to create and literally cannot be done without a major, generational breakthrough in AI.
If they want people to keep shopping there and providing the income necessary to maintain that charitable work, they should probably try to maintain the perception that they price things cheaply enough to make it worth digging through racks of second hand goods.