what drove the religion was this rejection of the "Big Design Up Front" (BDUF). in 99, Rationals Unified Process ( RUP ) was seen as mind meld of best design a

what drove the religion was this rejection of the "Big Design Up Front" (BDUF). in 99, Rationals Unified Process ( RUP ) was seen as mind meld of best design advice and process ( in a so called process framework ) which advocated a phase of pure design using UML notation. Any notion of design up front was countered with TDD, and long talks about emergence :) I think it was a good counter balance and it brought in the age of quick feedback and continuous delivery.