Hiring via Referrals and its Impact in Diversity

Yo! Have you seen these events where you show up to recommend your buddies so recruiters reach up to them? Have you heard when they say “referrals are the best hires”? What does that imply in terms of making the team diverse? How does executive search works? Do you just apply to a job like that or do they find you? What does that imply in terms of staying on the same network?

Do you think this ensures the company will eventually become diverse?