This is a little like asking, God forbid if one’s home burnt down, that what would one do to recover. A lot of owners would just move on if they didn’t have insurance (similar to backup for data).
Your situation has little to do with WDC or planned obsolescence. If you still had warranty, WD would probably had replaced your MCH free of charge, but usually not the data recovery service.
What you are asking is how to recover data from a hard disk drive that has a damaged PCB and that is beyond the technical ability of most DIY home owners and most forum members here will not try to tackle that. But you can get instruction from this thread:
You could start a new thread in that subforum or the internal Hard Drives subforum and with a picture of the PCB on the HDD and give as much information on the drive as possible.