Worst ideas/features in programming languages?

[Atila Neves]

On Monday, 11 October 2021 at 21:41:45 UTC, monkyyy wrote:
>> * Worst features implemented in a non-toy language
>
> * Embedding js in an html document.
>
> * adding objects to an existing language
>
>> * Worst features (in your opinion) in D
>
> * nontrivial namespace collisions when importing std
>
> * int promotion
>
> * verbose enums
>
> * contracts and all the cute ideas expanding a template header 
> to affect the matching
>
> * sword of damocles of safe by default or who knows what 
> koolaid being enabled one day

Interesting. What is it about safe by default that would worry 
you?