I too have traveled around the world but I actually ate all kinds of food. Because of this I know what good food tastes like. Fresh slice is neither good food nor good pizza. In fact, this is easily the worst pizza I have ever had and that includes frozen store bought pizzas.
They do not have a giant pizza oven at this location (and I would guess they don't at any other location) but instead the same rolling heat oven you will find in a pizza hut at a movie theatre or in Quiznos. That's not how you cook a pizza unless it was prepackaged which these obviously were.
Fresh slice has all the freshness of a just opened McCain pizza box. The cheese is tasteless. The crust is dry and bland and the toppings have obviously been frozen for quite a while.
The proof is in the price and you certainly get what you pay for.