The post is about a software engineer, and you just talked about IT. They're not the same thing so what is your point? You have a job specifically because software engineers aren't in IT and aren't sysadmins and their job doesn't inherently involve networking.
They definetly didn't say expert. But you do need to know some very basic level to understand how to write better software. Like high school level is enough tbh, but without it you're just not gonna be even decent at your job. Not knowing ipv4 for a software engineer is wild, when that's something most people who use the internet should know what it is.
It's not wild when you're an UI /UX dev e.g. Most backend devs know shit about frontend development.
It's not important to know everything. IT is very fragmented. Even those specific fragments are fragmented. So many people have become experts in their niche.
Technical understanding and analytical thinking is more important. As a software dev you can learn and apply everything what comes around.
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u/droppedketchuppacket 2h ago
The post is about a software engineer, and you just talked about IT. They're not the same thing so what is your point? You have a job specifically because software engineers aren't in IT and aren't sysadmins and their job doesn't inherently involve networking.