David, this is a very interesting topic. AFAIK, stripping PCBs goes beyond the hobbyist level and sometimes enters the real market.
I know a real case in which a Chinese company sold a lot of low-cost LCD displays that were stripped from the PCB included in obsolete Japanese toys to a company developing products for the domotics market. Of course, I won't tell you the name of the company which bought the displays, but I can assure you that they gave me this information only some months ago -- and they were soooo proud of doing this ;-)
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