While I agree with this (and what a refreshing thing to say indeed!), I would like to offer this as well:

If you can’t focus on some task - you can also treat it as a signal that maybe the task is not worth focusing on in the first place…

I currently can't focus on my work that pays the bills. Given your logic I should probably quit my job.

I kid you not, that's literally the thing I've been considering all day, maybe it's a sign. So this is great confirmation.