It would have been great but they didn't follow through on their cross platform commitment. They never have in the history of their company so I'm not sure why

It would have been great but they didn't follow through on their cross platform commitment. They never have in the history of their company so I'm not sure why people believe this time they will. Open sourcing the core guarantees nothing if they move the Microsoft support at a faster pace and don't commit to keeping the other platforms at par.