The advice is very actionable, and it is something that can be practiced. As far as advice goes, I'd consider it fairly well thought out.
As far as its actual effectiveness, it doesn't seem meaningful to involk anecdotal data (i.e. "I've seen counter examples") as the parent post isn't stating that you must, but rather it's a generally good idea or a hack.
Given the data around interviewers making pass/reject decisions within the first few minutes of an interview, I would find it surprising if it wasn't true.
Given the data around interviewers making pass/reject decisions within the first few minutes of an interview, I would find it surprising if it wasn't true.
This is ludicrous, given that an interview and a tech talk are completely different things. In particular, an interviewer doesn't generally expect or hope to learn anything useful during an interview. That difference alone makes the situations not comparable.
it doesn't seem meaningful to involk anecdotal data
That anecdote is the only bit of data at hand. The comparison to interviews is mere wild speculation.
As far as its actual effectiveness, it doesn't seem meaningful to involk anecdotal data (i.e. "I've seen counter examples") as the parent post isn't stating that you must, but rather it's a generally good idea or a hack.
Given the data around interviewers making pass/reject decisions within the first few minutes of an interview, I would find it surprising if it wasn't true.