Crabs are cute and more block reach is useful if you can break blocks with it too. It means mining can become so much easier. The main problem is that we don't have enough info on what they do, if the penguin speeds up boats like dolphins give dolphins grace, it's not as useful as the penguin sitting in the boat or having the penguin on a leash while in the boat, as it means you only get a faster boat in the stony shores biome. Also, don't assume any of the people voting for mobs are united. There are so many of this type of meme with different candidates every time.