They've been fined for it in Italy. But yes, the law struggles to catch up with Big Tech's brazen violations of antitrust. The reason why is because you'd be surprised how short-staffed antitrust departments are worldwide, even in the US and EU. Big Tech, on the other hand, can afford armies of lawyers to stall, deflect and obfuscate, and when the fines eventually come due, just pay as a cost of doing business.
https://www.marketplacepulse.com/articles/fulfillment-by-ama...
reply