The hard part wasn't the code. The hard part was the thinking that produced it 15 days ago
Tbh, when no-code, low-code tools were a thing, everyone also fears that this is the end of SWE as we know it. But as has been proven time and time again, it is really hard to replace an engineer for a reason.
Anyone can make a standing bridge, but it takes an engineer to make a bridge that barely stands.
The ability to make trade off while still satisfy requirements and retain quality is what make engineering hard, not writing code and tightening bolts.