Is this real or a stolen idea?

[Jagerbomb52]

These little knock offs are actually great for a new person to flying drones and learning inside the house. Very little cost for the drone and teaches you stick control. Just don't take it outside as the wind will take it away on you. lol

 

[Droniac]

I just saw this add with this guy saying he designed and basically invented a drone that can fly in forest fires, rain and all kinds of weather and that he came up with the idea and design and so on. It looks like he stole everything from dji and claimed it as his own, Is this even allowed or real?

Please check this out and let me know because this actually angered me a little.

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It’s memorex.