Am I the only one to note that recorded interviews are a new procedure, cited in the article? I don't know how pilot investigations are conducted, but in less

Am I the only one to note that recorded interviews are a new procedure, cited in the article? I don't know how pilot investigations are conducted, but in less critical fields a simple investigation with a bias against particular parties can quickly turn into "here is some recorded evidence that.. " then the court can charge someone which tends to appease the desire to dig further. Not saying that's what is going on i have no clue, but let's consider those pilots are doing something perfectly legal and the fact it is legal is a stronger judgment basis than some article making it sound like public safety is being neglected by rogue pilots.