Respectfully, this is the correct answer. I often find myself looking at Indochino and Oliver Wicks and their beautiful fabrics on perfect models. But they never deliver.Return the suit and avoid online MTM in the future. Not worth trying to fix this mess.
While I appreciate the appeal of OW, I strongly recommend you find a Canali or Samuelsohn or Corneliani on Ebay in your size for a similar price. With about $150 in tailoring you will have a superior suit with a better fit.
In my humble opinion, these online MTM companies produce a worse fit than a suit off the rack. Unless you have an unusual build, which you don't, a good tailor can do wonders with an OTR suit.