A washing machine already requires a fair amount of time spent on installation. I don't think "it doesn't work out of the box" is a good argument when talking about 200 pound appliances that have to be hooked up to your plumbing.
Only the absolutely lowest end student slum apartments where I live (in a very not-rich state) don't already have a washer hookup/tap. Any home a person would actually purchase would have one already, so no effort.