The irony being Dijkstra had lots of deep ideas about how programming ought to be done (from a basic science approach as informed by CS) and that the industry is still in the stone/bronze ages in terms of putting advanced ideas into practice.
If Dijkstra was so confident that he was right, he should have started a business and put his money where his mouth was. Hell, any True Believer of Dijkstra's could have done the same in the last 60 years. The fact that they haven't - or they've never succeeded enough for me to know of any - speaks volumes about their effectiveness.
What basic science does is open up new areas and new ideas. And you and I benefit from those foundations.
Dijkstra's proof methods derived from higher math sophistication than most programmers before, and today, have. Like, in one short essay he showed what invariants mean. He made formal theory accessible to mere non-pure-math mortals. You and I today know what invariants are. That's just one example.