While there may be statues or sculptures I don’t like, I wouldn’t deface or tear down any public or private property. Nor graffiti it. We can all have our personal tastes, but we must be respectful of legitimate authority, and go through the proper channels if we want something removed.
I’ve seen some pretty awful sculptures in various places that were sanctioned by city officials, and the artists who were commissioned to do them got paid a pretty penny for what is basically junk. And that irritates me a little. Really good artists have a hard time selling their works or even getting them displayed, and people who make nonsense get rich.