Drawing two intersecting straight lines doesnt take Micheangelo.
Countless humans have done that, and have used it as it as a symbol. Just like "the barbed cross", or swastika, was used for millenia by many cultures long before Hitler seized upon it.
The Aztecs mistook the cross symbol painted on the sails of the Spanish galleons that brought Cortez to Mexico for the symbol of "the four winds" of their god Quetzelcoatl. And thought that that God was returning.
Irish Catholics pray to the distinctive "Celtic Cross" which actually long predated the introduction of Christianity to Ireland and was used by the Pagan ancestors of the Irish for centuries.