Tech Speculation at the End of the Volume and thus no real spoilers but lets label this RWBY Vol 7 Episode 2 Spoilers anyway.

Spoiler: Vol 7 Episode 2 Spoilers
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Fear brings the grimn. But what causes the most fear? Realizing your fellow human may not have your back in your darkest hour, and thus there is no real security, thus in term no one is coming to save us when the soul-less monsters come to kill us all.

Thus while WATTS can hack the robots to kill everyone again this is a higher level skill when an early level skill is all you need. An early level skill demostrated in Vol 3 and Vol 7 already, the value of misinformation on SALEM's WTCH side.

Show false video or misleading video and people will no longer trust Atlas. A Grimn attack will probably happen immediately, but even if it didn't when Atlas needs to save someone they will not be able to for their hands are tied / overwhelmed and at this point the fear will attract the Grimn and then a zergling rush happens. You only need to be overwhelmed once, matching 10 attacks does not negate attack 11 from happening.

We already know Watts can affect the tech in the lower city. We also know there are giant tv screens everywhere meant to calm the public. The same tv screens can be hacked to mislead the public. The same tech that can be used for good can also be for wicked ends. The same freedom fighter group of the white fang can be co-opted and turn into terrorism group. The same tool can be used in many ways. That is why humans are not tools we must choose if we are all in this together and trust despite our life experiences or to distrust for these same life experiences.

Nations are created not just by what connects us but also by what we choose to forget / forgive even if we are not literally forgetting and we are still angry about the past whose damage can not be undone. This is what SALEM could not learn, you can not undo Ozma's death and trying to do so just creates a cruel mockery of everything. You do not honor the past and you may learn to love a new path ome that is either spite or kindness, and Salem chose spite as is her right to choose spite.


And lets now pivot to Episode 3

Spoiler: Vol 7 Episode 3 Spoilers
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We already know Tyrian the Scorpion guy is killing people who are mad at Ironwood. Thus Tyrian is setting up a real fact chain that Ironwood's enemies are disapearing, a fact chain to selective mislead on television later on via Watts.