[ksec]

Because people hate Ada, even on HN. Linus Torvalds himself hate Ada. People dislike its syntax so much they wont even try it.

[musicale]

If you can deal with VHDL, you can deal with Ada.

Every language has its quirks. Some people can't stand Python's significant indentation. Others can't bear Lisp's parentheses. Personally I can deal with them. But any library API (say for Java or Swift) with veryLongIdentifierNamesThatAreAlmostSentences drives me insane. I imagine IDEs are enablers for that regrettable trend, but at least they save human typing.

Oberon's capitalized KEYWORDS were probably a mistake.