Is the "5,000 suns" part complete marketing BS? The description says that they compress the energy of one sun into 1/5000 the area, to reduce the expense of pho

Is the "5,000 suns" part complete marketing BS? The description says that they compress the energy of one sun into 1/5000 the area, to reduce the expense of photovoltaic material. But the process isn't 5000x more efficient at obtaining energy from the sun. At best, it's "the power of 5000 solar panels", which is a much less exciting headline.