These approaches did not fall out of favor because programmers were so much smarter, as you are implying. They fell out of favor because they were impractical a

These approaches did not fall out of favor because programmers were so much smarter, as you are implying. They fell out of favor because they were impractical at the time. Eaither because there was no language with critical odoption, the computers were not fast enough. The solutions had problems that the designers just assumed would be solved later, or the concepts did not survive their impact with reality.