Author is angry but not wrong. Lifting the most damning quote from the article as I haven't seen it for a while.
C inventor Dennis Ritchie pointed to several flaws in [ANSI C] ... which he said is a licence for the compiler to undertake agressive opimisations that are completely legal by the committee's rules, but make hash of apparently safe programs; the confused attempt to improve optimisation ... spoils the language.
C inventor Dennis Ritchie pointed to several flaws in [ANSI C] ... which he said is a licence for the compiler to undertake agressive opimisations that are completely legal by the committee's rules, but make hash of apparently safe programs; the confused attempt to improve optimisation ... spoils the language.
—Dennis Ritchie on the first C standard