I'd have to agree with Discover. They gave me 2-3 auto CLI and have the best customer service of the lenders I use (Amex, Chase, Discover). They seem to be following the Amex model by focusing on excellent customer service. They've even added "member since" dates to their cards.
Amex BCE 18k I Amex SPG 6k I CSP 8k I Chase Marriott 7k I Discover It 3.5k I Chase Freedom 2.1k
Discover IT $17k / US Bank Ace (VSig) $13.5K / US Bank Cash+ (VSig) $13.5k Sam's Mastercard $15k / Walmart Mastercard $10k / Blispay $7.5k PayPal Ex MC $10.8k CareCredit 5k / Husq $5k / Cap1 QS $4.5k / Barclay Ring $5.35k / Citi DC (WMC) $12k Gardening Date 7/01/16 / MyFico 08: EQ 801 / TU 777 / EX 771 / 06/08/17
Discover IT $17k / US Bank Ace (VSig) $13.5K / US Bank Cash+ (VSig) $13.5k