you may not have seen similar posts, but plenty of them exist. no model will ever give what humans perceive as reasonable suggestions every single time, and there are plenty of existing threads detailing all sorts of CV suggestions that folks perceive to be strange. besides some of the threads i’ve already noted, here’s another one that includes an explanation that probably applies in your examples: https://forum.inaturalist.org/t/cv-suggestions-are-bizarre-not-visually-similar-at-all/38025/43.
logging another bug thread and keeping it open even though there’s likely nothing that can be done just adds to all the existing clutter at some point.
the staff have already done a series of vision accuracy experiments and will continue to do these, and that’s probably the effort that will actually drive improvement in these kinds of cases in the long run.