You do not give a full citation for the source of the item regarding Mr. Duval's giving money to a soldier.
You do not show that the money was soldier's pay.
You speculate that Mr. Duval had "picked up" soldier's pay.The record you recite does not say this.
You do not show that the man receiving the money had a connection with Louisa County.You speculate that the Bates in the money item was the same as a person by the same name.
You do not show that the man giving the money had a connection with Louisa County.You speculate that he was a former officer by the same name who did live in Louisa County."Duval" was a common surname in VA and MD.
You do not say even what the source was for the item you quote, much less describe its context.This is a matter of having insufficient evidence to account for the record you recite.
Part of using data is evaluating its context, which will determine whether it is applicable to particular persons.
Those who can see the lack of evidence are not being unfair, they are just observing pudding instead of mortar.