Yes, in my estimation Trump probably should not have pardoned those six. The people who vetted them for Trump apparently did a poor job.
It's also too bad that the D.C. police -- on orders from Nancy Pelosi -- lobbed tear gas and fired rubber bullets into the -- up to then -- peacefully protesting crowd . . . which inevitably lead to the deliberate murder of Ashley Babbitt some time later. . . again essentially on the orders of Nancy Pelosi.