Ah, the classic "I could learn your entire career in a weekend" guy meets someone who actually knows what they're talking about. Nothing quite like watching someone claim coding is "not that hard" only to get absolutely demolished by a response asking if they can build APIs, databases, and deployment infrastructure.
The cherry on top is the final response: "I could learn it in 8-9 days!" Sure, buddy. And I could become a neurosurgeon by watching YouTube tutorials. The Dunning-Kruger is strong with this one.
This is why senior developers drink so much coffee. It's not the code that's exhausting—it's these conversations.