In essence, “Mary Had a Little Lamb” is an example of this structure. It’s the same melody again and again, but with different lyrics. Another famous example might be “Blowin’ in the Wind” by Bob Dylan.
Contrary to the beliefs of most musicians who are inexperienced in recording, extra noise isn’t always easily fixed during the mixing process. Besides, wouldn’t you want your mixing engineer to be more focused on improving your song rather than trying to fix it?