On the topic of precinct chairs:

When I was working for Bernie in 2016 (yes, I know, I'm sorry -- was in college at the time and was drinking the Cool-Aid; been making it up by busting my hump for Trump ever since) there were just over 1,000 precinct chairmanships in Houston, Texas where I live. Less than half were occupied at the time, most of the chairs who were there were running unopposed, and nobody was even attempting to fill the open seats. There were some fairly consequential decisions made by the people in those seats, including appointments and policy issues.

The numbers have shifted since then, of course, but it's still generally true that there's very slim competition for the precinct chairs. They're so desperate to fill those seats that there don't seem to be many questions asked. If we can turn the precinct chairs into a real fight, I'd say there could only be a positive outcome. It would attract attention to the issue in general (because, let's face it, nobody pays attention to politics when they're a little too local) and it's a good place to start hitting the GOP scum hard. With numbers, the precinct chairs can influence a lot of shit.