That’s “prone to misreading”, not “misleading”. The title is correct as written but there’s an argument for using a different wording such as “no simple” to reduce the chances of readers misreading it and jumping to conclusions.
Language can be used in too many ways and not all correct ways to use it are also easily understood. Often enough that doesn’t matter because of context but here context leads actually to people coming to the wrong conclusion because the well known conflict is between some (any) kind of genetic origin of homosexuality and environmental factors being responsible.