Most professional programmers today don’t know—and often don’t care—about low-level programming.
The Upside: Abstractions Empower
Abstractions democratize programming. They allow more people to build software without needing to master the intricacies of registers or instruction sets. This accessibility accelerates innovation in areas like AI, web development, and mobile apps, where speed-to-market often matters more than hardware-level optimization.
The Downside: A Shrinking Pool of Experts
But there’s a cost. Fewer engineers understand the “bare metal,” and that creates bottlenecks in critical domains—operating systems, compilers, embedded systems, and performance-sensitive applications. The industry isn’t collapsing because most developers don’t know assembly, but it is becoming increasingly dependent on a smaller group of specialists who do. That concentration of knowledge is risky. If fewer people understand the foundations, the resilience of the ecosystem suffers.
Learning C and Assembly is like finally seeing the Matrix. Once you stop seeing magic and start seeing memory addresses and CPU cycles, your entire perspective on high-level languages changes. Diving into firmware is the ultimate reality check, it forces you to respect the hardware and understand the true cost of every abstraction you use, is a great way to understand that at the end of the day, it’s all just moving bits around silicon.
Recommended lecture: C Skill Issue