Question for more experienced parents: is it normal for toddlers to believe they can make obvious falsehoods true simply by asserting them (and whining if I don’t play along), or is that a consequence of growing up in the context of this presidency?

Question for more experienced parents: is it normal for toddlers to believe they can make obvious falsehoods true simply by asserting them (and whining if I don’t play along), or is that a consequence of growing up in the context of this presidency?