I mean, it kind of does matter? Since the start of this thread was a post about the imminent threat that play.ht posed, an example of it not appearing very dangerous is on topic.
It’s very possible that some other voice cloning software will be the undoing of the fabric of society, not this particular website.
It could be like dismissing the iPhone 1. It could also be like dismissing the Nokia Lumia.
Either way an unconvincing audio file is an unconvincing audio file regardless of what other files may become possible in the future through any number of various platforms and software implementations.
In the same vein, it is prudent not to mix up the factual current state of things with possible futures.
I don’t see the purpose of panicking right now. Are you using this anxiety as motivation to design better audio fingerprinting solutions? Identifying bad actors and vulnerable groups? Educating people on how to avoid being manipulated by fake audio?
What does posting “I am scared of the future” online accomplish?