They have a Constitutional right to assemble under the first amendment. However, most of these unpatriotic Conservative Americans showed the rest of us how foolish they genuinely are. If they where patriots, they all would have had masks on and attempted to social distance themselves as a group. Since, that currently the proper patriotic thing to do. If the protesters had done so the would not have looked so bad to those who are in the center and left If the political spectrum.
Finally, those who were trying desperately to get there 15 minutes of fame, failed and were an embarrassment to the conservative causes.