From the article:
Eight years since its historic first march, the Women’s March is returning Saturday to the nation’s capital just before President-elect Donald Trump’s inauguration.
Rebranded and reorganized, the rally has a new name — the People’s March — as a means to broaden support, especially during a reflective moment for progressive organizing after Trump’s decisive win in November. The Republican takes the oath of office Monday.
Politics @sh.itjust.works Tens of thousands are expected to converge on Washington for a march days before Trump takes office
Or the smartest. A huge chunk of the population voted him in. So that's a big audience for her.