I've worked in a company that wrote Java code that needed to avoid false cacheing. It was fairly understandable and the tooling made it quite testable for performance regressions.
However, the issue in the Netflix blogpost is in the JVM C++ code. I think it's entirely possible to encounter the problem in any language if you're writing performance-critical code.
If only it were the case that we hadn't caused massive climate change by burning fossil fuels, causing a severe drought across Europe, so that there were a shortage of simple cooling fluid for the nuclear power plants. If only we could've done see it coming and something...
"Whatever the truth is, isn’t it about time we found out?"
Most other vegans I know seem to be very aware of the nutrition issues, and take EPA/DHA supplements and extra vitamins. "Nootch" - nutritional yeast - is also a very common ingredient used to boost vitamins and minerals.
It's of course hard to be 100% sure what's safe, but then eating meat also has it's risks - heart disease, cancer, e. coli. etc - as well as environmental costs.
Going vegan is quite a big step, and most people would benefit from eating a lot less meat.
I can't work out what's going on from that site. The tutorial and download sections seem like a placeholder, and the github link is dead, with the user having no related project (publicly).