Uber settlement getting a thumbs down from some drivers Mercury News …With more than half of California's Uber drivers likely to receive less than $100 and the company refusing to include a tipping option in its ride-hailing app, some already are saying the high-profile settlement is a disappointment. The $84 million settlement — which could grow to $100 million with a successful Uber IPO — doesn't provide the employee benefits drivers wanted and most won't receive a big payout…