In a world where the word 'vandalism' often conjures images of defaced walls and public disorder, there lies a delightful contradiction – 'wholesome vandalism'. It's where the spray can rebels and midnight mischief-makers turn out to be undercover agents of positivity. Imagine stumbling upon a street sign playfully altered to make pedestrians smile, or a once-bland wall now bursting with an uplifting message – that's the heartwarming reality of wholesome vandalism. This listicle isn't about cel…