The sender clearly wants to appear as if he or she had written the note, when in fact he or she hadn’t. He wanted me to believe that he or she appreciated my business so much that he or she took the time out of their busy day to write me a note.
Great, except for the subterfuge revealed by the computer-generated writing. That, in a nutshell, is the problem with these fake handwritten notes. The perfectly formed writing is meant to look hand-done, but it lacks sincerity, and sincerity matters.