Will an old hornet nest go away on its own?

What people tried

Every workaround mentioned in the threads below. We haven’t tested any of them — and nobody here is claiming they worked.

1. 1
   Leaving the nest in place to eventually disintegrate on its own
2. 2
   Removing it with a pole if it can be reached
3. 3
   Knocking it down with a baseball bat
4. 4
   Using knockdown aerosols or insecticidal dusts early in the morning before activity picks up
5. 5
   Setting up a camera or monitoring during warmer parts of the day to confirm whether the nest is truly abandoned
6. 6
   Wearing a full professional bee suit while scraping the nest down using a putty knife or braided fishing line
7. 7
   Hiring a professional pest control technician to handle the removal

In their words

Unedited, grouped by where they were said, most upvoted first within each place, each linked to the thread it came from.