https://techcrunch.com/2020/03/20/amazon-follows-netflixs-lead-reducing-streaming-quality-in-europe/

Following moves by Netflix and YouTube, Amazon announced today that it, too, will be throttling streaming bitrates in Europe in an effort to conserve bandwidth. The online giant confirmed the move in a statement to TechCrunch, writing,

We support the need for careful management of telecom services to ensure they can handle the increased internet demand with so many people now at home full-time due to COVID-19. Prime Video is working with local authorities and Internet Service Providers where needed to help mitigate any network congestion, including in Europe where we’ve already begun the effort to reduce streaming bitrates whilst maintaining a quality streaming experience for our customers.