On: Jack Dorsey Takes Over Product Again at Twitter as...

[rotoscoped]

What's going wrong with Tesla or SpaceX? They both seem successful to me.

[earlyresort → rotoscoped]

The parent comment is trying to point out that it is in fact possible to focus on two things at once.

[rotoscoped → earlyresort]

It's hard to tell because, as others have said, it's not clear that everyone on the list is successfully focusing on two projects.

[keiferski → rotoscoped]

I think that's the point - Musk is running both successfully.