"It takes courage to grow up and become who you really are." - e. e. cummings
"To be nobody but yourself in a world which is doing its best, night and day, to make you everybody else means to fight the hardest battle which any human being can fight; and never stop fighting." - e. e. cummings
a stump still serves as a form of memory of the action, in case the original situation arises again. In other words, completely erasing a thread may be more probelematic from an archival perspective rather than just deleting the relevant material. Just for thought ...