I understand the significance of that date regarding Biden's Inauguration in relation to the date of his Inauguration.
Can't "we" move beyond that horrible event? Many of the "players" in that insurrection are under indictment or in jail. Are the others who may have been "involved and caught up in that moment of time": have they not learned a lesson?
9/11 certainly changed our travel experiences just as Covid-19 has done.
The events of January 6, 2021 were directed at one specific event relating to one specific individual (along with the Vice-President Elect).
For the President of the United States to not be able to choose whatever method of transportation that he/she would prefer to have "from here to wherever" is another step backwards from the freedom that so many gave their lives to try to preserve.