This is scary new information for me that puts a childhood incident in a much more horrifying context. I was at pet store when I was like 10 and one of the parrots seemed friendly so I let it climb up to my shoulder, only for it to painfully bite my ear. It hurt a lot, but no blood was drawn. I managed to get free easily enough. I thought that was pretty bad, but now I’m learning that apparently it could’ve easily ripped off my ear?!? Apparently I’m a lot luckier and that parrot was actually a lot nicer than I thought.
But there aren’t ‘new’ graphing calculators being required and they don’t get worn out that easily. There’s a relatively stable amount of people who need one at any given time, so honestly I’d have expected the second hand market to have crashed the market more than it has. There should honestly be multiple times over more graphing calculators in circulation than there is a need for them.