Yes, but at the same time "If you can't explain yourself in a single email, consider calling, texting or meeting in person instead." - so you do exactly to your co-workers what they do to you - in an effort to make yourself more efficient?
No, the real lesson was don't procrastinate.
"She also committed herself to systematically completing, without procrastination, her daily task list and to completely clearing her email inbox and workspace on a regular basis."
that's what's at the end, but you skipped the beginning juicy bit: don't try to multitask. make a clear and concrete to-do list, and chunk out time to focus only on completing one item at a time. not answering your emails/texts and having your boss help eliminate distractions are just two small but helpful ways to stay on-task.
Got it.