They have to record to process the data. The recording may be limited to just living in the active memory, but it still records something in all those cases. The vaccuums even phone that data home; the most popular ones have been hacked numerous times, including one that let the hacker see other people’s robot vacuum camera feeds live.
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They have to record to process the data. The recording may be limited to just living in the active memory, but it still records something in all those cases.