Why would this be anti-trust? Sodastream has competitors who do the exact same thing, not to mention their biggest competitor, which is pre-bottled sparkling water.
The market disagrees with you as it's trading at $142 at the moment. It's not like Coke is merging with Pepsi.
Now that would be a new coke!
Would love to know the difference between vertical integration and anti-trust.
Vertical integration is grabbing up- and down-stream in your supply chain.
Anti-trust is about grabbing horizontal competitors.
Keurig and DPSG already did this. There isn't any reason to block this...
It's not categorically okay just because others have done it.