Processed vs. processed

Over two weeks ago, I received the following message (in part):

We're happy to inform you that your [item] has been processed on October 8, 2018. If you selected our standard shipping, your [item] should arrive in a few days. However, delivery via U.S. Mail may take up to 10 days.

So by October 26, after ten days had elapsed and ten business days had elapsed, I contacted the sender of the message and informed them that my item had not arrived.

I received this response:

Our records indicate that we received your request for [item] on 10/08/18. Please note processing of your [item] takes 2-3 weeks. Once your [item] is processed, we ask that you allow an additional 7-10 business days for mailing time.

So apparently my item was processed on October 8, but it will take another two to three weeks for it to be...processed.

I'm confused.