D-wave has a history. They've been mostly behaving better recently, but https://www.scottaaronson.com/blog/?p=1400 https://www.scottaaronson.com/blog/?p=1400 i

D-wave has a history. They've been mostly behaving better recently, but https://www.scottaaronson.com/blog/?p=1400 https://www.scottaaronson.com/blog/?p=1400 is a good summary, which emphasizes the differences you're asking about.