Why D languiage creator decided to NOT fix this?

[Kagamin]

On Friday, 28 June 2019 at 23:29:38 UTC, Why not? wrote:
> During creation of new language it was so simple to fix this 
> serious flaw "once for always"; simply by adopting ':=' 
> assignment operator from Pascal, and by leaving - as 'equality 
> testers'  - BOTH single '=' and double '==' "equal" signs.

If you're a fan of pascal family languages and strict correctness 
checks, I can recommend SPARK https://www.adacore.com/sparkpro