Sure it's a good endorsement of Ethereum and I'm sure they will contribute code back to the project
Money is formed from public CONFIDENCE that someone else will accept it. The above increases CONFIDENCE, thus it is increases the number of people who are willing to hold it.
Then there are a lot of other reasons to want to hold ETH right now (chart pattern, many developments coming to fruition, BU's attack on BTC, ETH is a high liquidity token).