That's the problem, people are not being held accountable!
The online store is the absolute worst, imho, and speaking from my own experiences. They do not care what they ship to paying customers (they ship anything!). A LOT of people are not doing their job, and/or half-doing (perhaps, intentionally). There needs to be better management, overall.
Who knows if it was the first mistake, second, third, or forth? This is a multi billion-dollar, SO-CALLED luxury company, and it is absolutely ridiculous and unacceptable. There is no excuse.