In the short term it will be in the realm of big boys toys, who...

In the short term it will be in the realm of big boys toys, who with a spare 200k to throw about with some culiones wouldn't want one of these. Then over time once they have sufficient dollars in the bank with a improved r & d department they can focus on aspects such as weight, noise, fly time, build cost etc. Add ons such a proximity sensors to other flying jet packs where they automatically go to hover mode once a certain proximity has been reached will all be rolled out over improved versions in the years to come.
I see parallels with this and tesla vehicles.
But I'm just a mug with an opinion.