In the olden days, when people stayed in farming and agricultural villages, they used to have a special day each week, when they would take their farming produce to the market, to sell them. The farmers would collect all the best fruits and vegetables, leaving the deformed and less-than-perfect ones for their own consumption, to the market. Hence, only the best of the harvest was put on display for all to see, and every farmer would be proud to show what healthy and well-grown fruits and vegetables they had grown.
Similarly, Man will gather on Judgement Day with his harvest, his deeds, and all these will be on display,