The MaidSafe team is still hard at work. The last few months have seen significant progress in the stability of test networks:

https://safenetforum.org/t/memdebugnet-4-10-23-testnet/38726

Although the digital storage technology has evolved since MaidSafe started, no one still has anything even remotely close to their vision. Whether there will eventually be a sustainable autonomous network is hard to say, but the fact is that many people continue to support them even after 9 years of development.