I have been busy expending useful and useless energy, but your essay made me think about why "imposter syndrome" exists. There are numerous reasons many of us feel like a fraud, but perhaps the lack of quantifying genuine usefulness/value is a key contributor. Hmm.

Also, we're paying 27 AUD cents kwh for electricity. Privatization of natural resources is wonderful! Competition gives us loads of scammers to chose from, but all the prices are the same! FANTASTIC!