Try hyphens for your underscore friends. (Because the internet is weird, sometimes underscores don't work some places, but hyphens do. The technical reason is longer and more boring but basically amounts to that.)
For the other ones, not sure. Could you share an example or two? Maybe they just don't have profiles set up yet.
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For the other ones, not sure. Could you share an example or two? Maybe they just don't have profiles set up yet.