This seems like a pile of generally good, and some non-obvious advice, that's also useful outside of the boundaries of ML (it would also apply to a PhD in Neuroscience for example).
And, even if you're in the "real world", anyone who wants to do fun hobby projects with community on the side :)
Except maybe the "aim for 2 papers a year"
I wish !
And, even if you're in the "real world", anyone who wants to do fun hobby projects with community on the side :)