The startup firm Kytch, which invented a device to fix McDonald’s infamously broken and glitchy ice cream machines, has sued the fast-food giant for $900 million. Fighting back against the chain’s attacks on their product, a Kytch cofounder said: They’ve tarnished our name. They scared off our customers and ruined our business. They were anti-competitive. They lied about a product that they said would be released.”
