This is an excellent example that Walt is providing for all the lock step anti Trumpers which is to demonstrate how 2 persons with similar political views (imo) can have opposing opinions concerning the JFK assassination, to the point an accusation of “stupid” assigned as the reason.
Trump turned the White House into the spombleprofglidnoctobunse House, and will eventually wind up in the Big House.
Don't forget his GOP co-conspirators in Congress.
Here's a couple of points that nobody has brought up. Gladys Johnson, Oswald's landlady, testified that there were curtain rods already up in his room. Jack Dougherty saw Oswald come in the back door at 8:00 empty handed.