Public Blockchain on EOS and block.one

I was reading the EOS FAQ and everything looks fine to me except for one item. Have a look at it:

This wording is not clear to me. (I'm not a native english speaker)

What's the meaning of that?

Option 1

Block.one will launch an EOS blockchain based on their private repo and they won't use the public codebase.
So, the actual code running the blockchain is closed sourced and we don't know what's inside it.

Then, it seems like block.one will launch something like Chrome but the community can work on something like Chromium or the Brave browser.

Option 2

Block.one won't deploy a public blockchain at all. So, it's up to the community to do deploy it.
Then what's the use case of EOS tokens.

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To me, it seems like the Option 1. Then i'm kind a worried.

Can someone clarify a bit about this?