Immediately you know these structures were designed. How should you know that? How did the scientists know that?
Computer methods of analyzing mutations are widely used because they are generally accurate. They do not suddenly lose their accuracy when I cite them.
A very common way to try to discredit an argument is to exaggerate it, ignore distinctions an author makes, and/or change carefully qualified claims into bizarre absolutes.
Only by sheer coincidence would blind factors produce such remarkable things, and coincidence is never that lucky.
If you want your sons and daughters to be well educated about evolution, then hope their biology teachers don’t rely on materials from the Genetic Science Learning Center.