*facepalm* He already said it is something completely different than what they have now. It is nothing like we have now. That means no rails. Read some more.
No it doesnt, at no point anywhere does it say anything about not being on rails. While you may assume this due to the fact its deeply, deeply unpopular you have no proof or real indication of what is happening at all.
It could be on rails but you can do it with other people, or maybe climb into an angry bird ship which shoots lazers from its eyes at pig fighters. All hearsay but just as much as your assumption. Given how many times they said the space combat was going to be awesome before release and the fact they are still throwing resources into their current, garbage rail system indicates some numpty in the company seems to think its a good idea so who knows whats on the cards.
read some more, assume some less.