I think this is considered normal for real world Haskell usage. Most libraries and even frameworks like ihp that try to be favor ease of use rely on these lang

I think this is considered normal for real world Haskell usage. Most libraries and even frameworks like ihp that try to be favor ease of use rely on these language extensions. You can ofcourse place these directives once in the cabal file, but there's no getting around to learning what they do.