The present level of Network participation on ethereum 2.0 would create no vulnerability because "it would be much more expensive to carry out attack" as Rual Jordan, Go developer working on ethereum blockchain told Decrypt.co on interveiw.

In summary, the report by Decrypt had it that ,Attackers need arround $100 million to carry out attack that will lose every one , including the attackers' money on the network. And losing money by attackers is not in the best interest of any prospecting attackers