The image they wish to evoke is of a mighty country, united in its resolve to combat a menace threatening the shared values, hopes and ideals of its populace. America is far from a united country. I'm tempted to make the wisecrack that the logic shown in the above approximates the logic in recent court decisions as well as the editorial content of TV liberal nightly news. In fact, there is a connection. This was considered serious stuff.
Some people still consider it so.
Followers, then and now, say it has something they call authenticity. More of it can be found on the Internet by doing a Dadaism search. You'll also find some self-flattering definitions of Dadaism. U.S. forces may invade Afghanistan and seize an isolated desert airbase formerly used by Soviet forces near the Iranian border, and use it to unleash assaults against perceived enemies throughout the countryside, according to a published report. Once the terrorist attacks on the World Trade Center began, they kept coming to us like a live horror show.