> But people may leave go if they constantly avoid fixing any of problems with the language.

For many people the current Go error handling just isn't a problem. Some even prefer it over the overengineered solutions in other languages. This brutalist simplicity is a core design feature I personally enjoy the most with Go, and forcing me to use some syntax sugar or new keywords would make it less enjoyable to use. I also don't think that generics were a net benefit, but at least I'm not forced to use them.

Go is a cemented language at this point, warts and all. People who don't like it likely won't come around if the issues they're so vocal about were fixed. It's not like there's a shortage of languages to choose from.