Well then so is paedo communion. This is not NT baptism. And that is what is being addressed. You are making a slight of hand here. And redefining what is being mentioned. Apples and Oranges again.
The general statement was, "infant baptism is not found in the scriptures." Regardless of the nature of the baptism in 1 Cor. 10, it refutes the point.
1 Cor. 10 does not speak of "communion," whereas it specifically uses the word "baptism."
Concerning Communion....
(1Co 10:3) And did all eat the same spiritual meat;
(1Co 10:4) And did all drink the same spiritual drink: for they drank of that spiritual Rock that followed them: and that Rock was Christ.
The stretch can be made here just like your baptism stretch can be made where you made it.