Why focus on earning calls and not, says, meetings with Chinese partners for his Shanghai Gigafactory? CFO and legal counsels, or similar roles, are pretty much

Why focus on earning calls and not, says, meetings with Chinese partners for his Shanghai Gigafactory? CFO and legal counsels, or similar roles, are pretty much always present in calls with investors for any public companies. Also, what makes Tesla being Tesla is something invented centuries ago. The battery.