Radio-Dating (as you put it)
You do know there are other ways to date things.
You do know each have there own assumptions built into their results.
You do know that, if a result doesn’t fit a particular model the “Customer” is looking for, he has the lab continue until they find one.
Radiometric dating is one of the most valued and consistently reliable scientific assessments. And yes, while there are assumptions regarding the practice, those are the product of the testing and refining of method. If you have an example of result being driven by desire, I’d be interested in hearing about it.