They probably do, but the thing with these influencers and the networks they use is that for every (young) adult who stops following you, you gain a fresh (pre)

They probably do, but the thing with these influencers and the networks they use is that for every (young) adult who stops following you, you gain a fresh (pre)teenager ready to idolize you for years. Although in all probability maintaining a long-term career is not likely for the majority of these influencers. These 'social influencers' are great for marketing, because they allow you to reach a demographic — indirectly, so it all seems sincere and authentic — that is notoriously hard to reach via traditional channels.