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If you were new to the field at that time, Python seemed like a no-brainer.I mention this on light of the article's claim that this has to do with "a new generation of programmers brought up on … I don’t know, Microsoft systems, Visual Basic and Java". No. The new languages that appeared were just so much much better.
Non-programmers read python and sometimes even Java and say "huh, this is something that could be figured out" - reading perl was reading line noise.
APL is probably one of the most powerful languages out there, but the characters in the syntax scare most away.