"GADTs for dummies" Wiki article is absurd

[tomjaguarpaw]

The GADTs for dummies Wiki article is confusing at best and dangerously misleading at worst. It veers between baffling and outright wrong.

See

• https://discourse.haskell.org/t/understanding-the-replace-class-in-gadts-for-dummies/3481
• https://discourse.haskell.org/t/blog-post-practical-haskell-use-cases/2625/2

Next action:

• [ ] Ask on the article's talk page whether anyone is willing to take responsibility for its accuracy. If not then correct the inaccurate parts, or delete them if they can't be corrected.