facepalm
Right, I understand you now. You are being pedantic about the definition of Kessler Syndrome, assuming people are using it to refer to a permanent status. Gotcha.
In short, you don’t disagree, you just aren’t using the same words to mean the same thing as everyone else, leading to confusion and conflict.
Kessler Syndrome, even if it “only” lasts a few years, would be devastating. That is what people are worried about, and that is what could happen, even with low earth orbits. Given big enough pieces of debris, the “any significant period of time” you refer to could certainly be significant enough to cause lasting problems.
She’s trying to extort her fellow Republicans into not releasing the report, not realizing that the public is saying, “HELL YEAH!” at the suggestion. What’s sad is it might actually work, and they won’t release anything.