Sure, people can submit low-grade garbage or vandalize pages, but that doesn't mean the site doesn't also have useful content, like: https://www.wikihow.com/Cat

Sure, people can submit low-grade garbage or vandalize pages, but that doesn't mean the site doesn't also have useful content, like: https://www.wikihow.com/Category:Computers-and-Electronics https://www.wikihow.com/Category:Computers-and-Electronics