I say the opposite, lets redesign everything under the sun. If it works, we'll use it. If it doesn't, we won't. Why do people expect simple projects presented

I say the opposite, lets redesign everything under the sun. If it works, we'll use it. If it doesn't, we won't. Why do people expect simple projects presented on a blog to have all the answers? Is it not possible to just take it on face value and entertain the idea?