Even on the margin, anything that costs Facebook users also makes it less valuable for its remaining users—it’s a negative feedback loop.
I think you meant to say “positive feedback loop”. “Negative” refers to self-stabilizing, not bad/undesirable or the sign of the change.
I think you meant to say “positive feedback loop”. “Negative” refers to self-stabilizing, not bad/undesirable or the sign of the change.