From a cursory look, the project appears to be working on noble concept; bringing derivatives to DeFi. There is quite a few large backers for this project going by the $3.25M funding round.
The Co-investment seems reasonable to me given the size of ETH/OPIUM pools on other exchanges:

I do want to emphasize the following:
we as a community should be supportive of projects that are willing to launch LM campaigns on our platform. Given the above and the great proposal put forth to our DAO, I will be supporting this proposal and voting in favor.