Could you expand on that last bit? If I’m working on one part of the site and someone else is working on another, what sort of coordination problems do we have?

Could you expand on that last bit? If I’m working on one part of the site and someone else is working on another, what sort of coordination problems do we have? If we’re both working on the same part, sure, but it’s not clear to me how the approach laid out in OP fixes that?