@OrphanCrow many theories just like this one are ultimately proven wrong. Of this entire discussion this much is absolute FACT cannot be disputed.
As such indeterminate possibilities yet to be fleshed out are certainly on the table. Science is the pursuit of knowledge by study and experimental tests related to those studies.
So if there are no indeterminate possibilities what the heck are you testing?
To not consider "other" or the unknown is to fall into the trap discussed in this article.
https://www.theguardian.com/science/occams-corner/2013/sep/17/scientific-studies-wrong