A Front With No Line Drawn On It
The flagged area carries Low intensity and Neutral momentum, and the campaign and system counts sit at zero. That is not a lull between engagements, because nothing has registered in the first place. It is closer to a stake in the ground than a battle line: a named defender, a region, and a watch that has yet to produce anything worth calling a development. Kuggar was here is the named defender in the flagged area, not a group shown to be holding systems it was never recorded as losing.
Nothing Lost, Nothing Gained, Nothing Recorded
The absence of recent sovereignty changes is the whole of the picture. Systems lost and systems gained both stand at zero, so there is no evidence of pressure building at one group's expense, and equally none of a defender quietly clawing anything back. Neutral momentum here means exactly that: neither side has done enough to be described as pushing. Reading a direction into this would be invention, and there is already enough of that in New Eden without adding to it.
What Would Need to Change
The watch becomes a story the moment contested systems appear, or a sovereignty change is logged in either direction. Until then, Etherium Reach is a region with a defender's name attached and a question mark beside it. Cheap to maintain, expensive to mistake for a campaign. Somebody, presumably, is watching.