A quiet feed is frustrating because it leaves several explanations open. The profile may be too narrow. The wording may be wrong. The sources may not include the conversations you need. There may simply be little relevant discussion during the period you're looking at.
I'd work through those possibilities in order. Changing everything at once can fill the feed while leaving you with no idea whether the results are useful.
Make sure the intended search can run
Review the profile and confirm that you've activated the discovery you intended. Check the current sources and limits available to your ICPSignal plan. If the interface reports a configuration or access problem, resolve that before drawing conclusions about demand.
Be specific about the content you expect to find. A platform name alone doesn't establish that every community, post, or comment is available. Verify the part of the source your use case depends on.
Look for conditions that make the audience disappear
Read the profile as if every requirement matters. Have you combined an exact location, narrow role, uncommon feature, and urgent buying timeline without evidence that people describe all of them publicly?
Separate what is essential to your ability to help from what would merely make a lead convenient. Missing information may need a question later. It doesn't always need to exclude the post from your initial review.
Compare your wording with actual posts
Search the accessible communities yourself for a few examples of the problem. This is a diagnostic check, not a promise that a discovery tool has identical access. If you find relevant posts, inspect the wording and context that your profile may be missing.
If you can't find examples, consider whether the audience uses different language or discusses the issue privately. A quiet public channel doesn't prove nobody needs the product. It may tell you this channel isn't supplying the evidence you hoped to use.
Make one revision and keep the conditions visible
Try broadening a nonessential constraint or using better problem language. Keep a note of what changed and the review window. Read the resulting posts before treating an increase in volume as an improvement.
I want the next test to answer a specific question, such as whether the audience uses a different term for the problem. If the evidence remains weak, consider another source or acquisition approach. Continue because the results support the next step, rather than because you've already spent time on the setup.