I wouldn’t. If you saw the printed signs for the Veterans Memorials, you know this was planned out in advance. I would suspect the cones were put there for exactly that purpose, just got a jump on everyone else or possibly one of the low information and reading skilled employees who got the date wrong.
Another version of this said they were up on the first and they completely blocked the places to pull off and view the monument... but I can’t post that one on Free Republic.
However...it looks as though the mods have decided this is weather-related.