Could you explain how the authenticity of an influencer’s audience might affect the return on investment for my marketing campaigns?

Is there a standard method or tool used to compare and analyze the quality of audiences of different influencers within the same niche?

If I find that an influencer’s audience lacks authenticity, what steps can I take to rectify or manage the situation?

Can the authenticity or lack of it, in the audience of the influencers I partner with, impact my brand image? If so, how?

On what indications can one conclude that the audience associated with a particular influencer lacks in quality or genuineness?

Could you shed more light on how the quality of an audience can influence the effectiveness of an influencer marketing campaign?

As an influencer marketing manager, what steps or tools can I use to guarantee that the audiences reached by our campaigns are truly interested and not bot-generated?