Something happened in the 70s that is sometimes referred to as "the software crisis," where suddenly, computers were getting more complicated more quickly than anyone had been prepared for, from a design perspective.
Aconteceu algo nos anos de 1970 comumente referido como a "crise dos softwares": de repente, computadores iam ficando mais complicados mais rapidamente do que qualquer pessoa poderia ter se preparado, considerando-se a perspectiva de design.