Most mechanics just switch out a couple of parts. Many have to google and YouTube wtf to do. A heart transplant is like swapping an alternator. Kidneys like changing the oil filter. Now you’re wanting to do a full engine and transmission rebuild. Our best surgeons and hospitals just haven’t gotten there. With early heart surgeries, they were using tubing from the hardware store. With cutting edge medicine, they have to invent the techniques AND the tools.
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