Why senior developers fail to communicate their expertise (and how $2/month AI fixed mine)

There's a thread on Hacker News today that hit me hard.

Hundreds of senior developers admitting the same thing: they know more than they can say.

They've spent years building systems, debugging production disasters, reviewing thousands of PRs. But when it comes to explaining why a particular approach is wrong, or what makes a piece of code fragile — they go quiet.

Junior devs sound confident because they autocomplete their way through every problem. Senior devs sound hesitant because they know what they don't know .

The irony? The junior devs are using $20/month AI tools to generate plausible-sounding answers.…