No Kings was nearly 25x as big as the Tea Party but the Tea Party got 25x the media coverage:

[Metaphorical]

2. The Tea Party

like so much of what has emerged from the Republicans in the last fifty years, was a marketing campaign from the get-go. Sinclair and Clear Channel media plugged it relentlessly through their various channels, then did everything they could to make it look like a grass-roots effort even given fairly tiny "protests". The bought and paid for MSM is absolutely terrified of giving legitimacy to actual protests.