The clickbait title from 2018 was referring to credit-card signatures.
https://www.businessinsider.com/walmart-target-kill-receipt-signature-requirements-2018-4
As credit-card companies kill customer-signature requirements, retailers like Walmart and Target are following suit.
Visa, MasterCard, Discover, and American Express have either already stopped or announced plans to stop requiring customers to sign their receipts when checking out.