No. Totally fake, unless there is some pollen left on the leaves or pollen enters the space they flower in somehow. The pistils will only carry the viable pollen they catch to their respective calyx. They can't transport the "pregnancy" to other parts of the plant.
"We ought never do wrong when people are looking." - Mark Twain
If the whole world smoked a joint at the same time, there would be world peace for at least two hours. Followed by a global food shortage.