[jollybean]

Or c) someone just making comments from observed experience, and there's not much about that 'senior developers' have when it comes to 'having had to compile something that takes a while' - that's the purview of everyone, or at least, those who have worked on those larger projects. And though remotely debugging code definitely happens, it's in relative terms, very rare. This is just someone making a comment on their blog, that's it.