The author makes a bunch of tenuous assumptions; that lambda calculus is all about currying; and that the “lambda” keyword brings lambda calculus to Python; that lambda is undesirable because Python doesn’t have nice currying syntax.
Anyway I think Guido hates lambda because it feels like an appendage in Python, due to list comprehensions and due to expression-only bodies, restriction which was put in place probably because passing multi-line nameless functions as arguments is awkward in a whitespace-sensitive language/it just didn’t feel Pythonic to Guido to be passing large inline functions to functions.
Anyway I think Guido hates lambda because it feels like an appendage in Python, due to list comprehensions and due to expression-only bodies, restriction which was put in place probably because passing multi-line nameless functions as arguments is awkward in a whitespace-sensitive language/it just didn’t feel Pythonic to Guido to be passing large inline functions to functions.