yeah, there’s nothing to argue here. These are scientific definitions of the two terms. A positive feedback loop can be negative in terms of consequences, but it doesn’t change the fact that the loop is defined as a positive feedback loop.
The words “positive” or “negative” in terms of the loop definition do not refer to “good” or “bad”, but rather the mathematical definitions of “additive/multiplicative” or “subtractive/divisive”. A positive feedback loop is an additive or multiplicative function whereby inputs increase outputs which increase inputs which increase outputs.
A classic example is a snowball rolling down a hill that grows in size and gains speed. Whether or not the snowball grows big enough and rolls fast enough to annihilate the school at the bottom of the hill, it doesn’t change the fact that by definition the feedback loop that is generating a larger and larger and faster and faster snowball is defined as positive.
An example of a negative feedback loop could be you getting sick. The input being viral or bacterial particles enter your body, the output is your body temperature increases, which kills the pathogens thereby decreasing the input. The decrease in pathogens then signals to your body that the infection is receding, and you body temperature returns to normal (decreased output). You healing from a sickness is a positive (good) thing, but the feedback loop that did it, is a negative one.