That said, this tweet does have a huge dose of "acccchhhtually......" in it.
A classic map vs territory confusion.
I think the ordinary, uncritical reader who hears about "Maslow's hierarchy" and sees a pyramid (1) isn't necessarily committing themselves to any high-stakes claim about what Maslow originally did or didn't intend and (2) they aren't being mislead by seeing a pyramid (as opposed to anything else) to represent a hierarchical structure.
I understand that mis-quotations and misattributes are a thing, and the cultural forces that lead to them, and the ripple effects they cause, merit attention. But there's a second, parallel tradition that centers on "correcting" supposed misperceptions over trivial distinctions.
Same here from when I was in college in the 80's.