It's strange in the title of this article because there is not really an "us" that makes sense for a phrasing like "let us". "Let's trim our hair" sort of impl

It's strange in the title of this article because there is not really an "us" that makes sense for a phrasing like "let us". "Let's trim our hair" sort of implies a small informal social grouping, likely physically present, deciding to get haircuts, or maybe even cut it at home together. Not on the scale of an entire nation.