Plus people attending Trump’s ceremony had to take time off work. ObaMao’s, not so much.
And travel across many states. DC is leftwing, including all those federal employees, northern VA, Baltimore, Philly, NYC, NJ, Pittsburgh. DC is surrounded by leftist big cities and universities with ONE train ride away for a few hours to DC. Trump supporters are scattered more all over the country. Trump comes to their town, we see how many people show to his rallies. We also see who shows to the voting booth.