They definately wont retrieve your data!
You will have to do that yourself or hire an expert- there are links to data recovery specialists on this site- it’ll be expensive. All WD will do is send you a replacement (a re-conditioned drive if the reports around the web and on here are to be believed) and that is that.
Did you try Mac Drive8 on a windows machine? It worked after I updated it to v 8.07.38. Once you have it installed it should say ‘Explore Mac Discs’ et voila…
