Up front, ghosting is not okay in general. But, a few counterpoints: It seems very unlikely they expected or wanted it to take you 6 hours. Possible, but certainly an outlier (and obviously bad actor) if so. If they expected you to spent 1.5-2 hours on it - a reasonable amount of time IMO - but when got it back you clearly spent an entire day working on it, that's enough to fail because you didn't follow the directio…
> If they expected you to spent 1.5-2 hours on it - a reasonable amount of time IMO - but when got it back you clearly spent an entire day working on it, that's enough to fail because you didn't follow the directions. Yeah, let's fail someone who cares about showing their best self for an interview and takes pride in the craftsmanship of their code because we asked them to spend no time on it and probably get somethi…
Your last point isn't true at all, it doesn't need to be in person it just needs to be coordinated. I mention one real-life example of this that worked out very well at the end of the comment you're replying to.