Humorous touches can almost always improve a piece that is already valuable on its own.
If you’re sure a joke is going to land, it can make an effective advertisement. Test variations of the joke with a small audience first; that way, you can be sure the humor doesn’t cross a line.
Brand differentiation.For example, Oreo has long differentiated itself by offering a quirky, tongue-in-cheek voice across its social media platforms. This is especially effective in dry, or otherwise “boring” industries.
Personal branding. Elon Musk, for example, has separated himself from his companies Tesla and SpaceX by cracking jokes and roasting people on his own account.