Not sure what value providing you data in Search Console Tools that does not aid webmasters to improve their website.
Like much of the info presented in GSC or WMT, it increases webmaster confusion, FUD, and general tail-chasing.
Yes, Google reads the whole page, and presents confusing, tail-chasing and FUD inducing information in GSC, but I personally don't see the value of even looking at something known to not count, never-mind actually taking the time trying to analyze anything to do with it, because that's not really helpful or informative WRT what does actually count these days.
As far as keywords, comments, descriptions, and other "on-page source code factors not seen by visitors"
[including hidden text*] go they're really not worth time spent on them any more, because they don't count for anything WRT rankings -- Descriptions maybe an exception, but the time spent on those should be for attracting clicks when they're shown in the results, not to try and manipulate rankings higher or lower based on the content they contain, because the content they contain is not a direct factor any more.
The "it just plain doesn't count any more" factors have grown so much that one test someone did here about 3 years ago
[I think that's about when] indicated on-page text (or lack-thereof) can actually override inbound anchor text for rankings -- I don't remember who it was or exactly how long ago, but it was a thread about 4 of us, including tedster, were involved in. The test was actually for something else, like PageRank flow, but one of the "interesting side-notes" about what was learned from the test is: If there is not page content related to an inbound link's anchor text, the anchor text of the link may be ignored.
* Hidden text in HTML is largely and mostly ignored, even if positioned off the page via css, but a large amount of "stuffed" or "spammy" text that cannot be displayed by visitors can go from "ignored" to "a negative factor" in some cases, afaik.