Interviewee: Check me out! I have 239 twitter followers! Interviewer: Cool. Can you setup mysql replication? What does a read replica mean? Interviewee: Neat! Check out my github on a emoji generator! Interviewer: .... Interviewer: [proceeds to slack least favorite teammate to follow up interview]
Interviewee: Check me out! I wrote a NES emulator that is cycle accurate and supports a game with a specialized chip that I reverse engineered that no other emulator supported.
There’s a large spectrum of quality of public content out there. You could say the same thing about any resume.