Saw the video, seems like they were influenced by the capabilities of SIA and combined it with a fancy UI that lets you send messages/storage/etc over the chain.
You're clearly running a node/host of some kind, could be a ddos bot for all we know lol.
I understand why the likely Chinese developers need to remain anonymous, it's not like their country is handing out accomplishment awards for those that circumvent government surveillance in their country.
In closing, cool idea but I don't see myself using it on anything I want to remain "secure" due to the security concerns of the entire platform and its origination.