Indeed, there are lots of objections to this old argument. Dan Foster's presentation of the argument was so slapdash, though, that there wasn't much need to go into the weeds. I raised some other objections in the earlier article, mind you. In fact, I referred to the fallacy of composition. (See the link below for the article on the ten proofs.) The point about Foster's "suggestion" is a shortcut into the weakness of his presentation.

https://medium.com/interfaith-now/the-meagerness-of-backyard-churchs-ten-arguments-for-theism-155d190e9c9c?sk=55da69dd95f4a2a683ecde308e1fd8b8