I take issue with this:

  Delegate these tasks to experts on the topic and focus on your priorities.

You need a decent understanding of something in order to delegate it. Without that understanding, how will you even know whether the thing is done satisfactorily, let alone monitor and unblock whilst the work is in progress?

I like the advice in (IIRC) High Output Management: if you have a choice or delegating two things, choose the one you know best, as that's the one you'll be able to effectively delegate. If you 'delegate' something you don't understand, you're actually abdicating.