[shadowgovt]

Having your linter catch `except:` is both simpler and cleaner than changing the language.

[dtech]

Deprecating without removing ever seems reasonable

[shadowgovt]

How does deprecation without removal differ from a best practice?

All features of a language end up used, regardless of deprecation state.

[dtech]

I steers people who don't know better away in numerous ways, e.g. most editors with language awareness will give some kind of visual indication like a strike-trough.