Follow for follow never ends up well for the soul because people , offline in real life or online, want authenticity. Almost everyone will feel if they have build a community around them or just a big number of random followers. I look at this matter as being quite similar with real life : who likes you for your soul, creativity, personality and who genuinely respects you will stick with you on the long run. In the end we want that organic feeling of being understood rather than becoming another number on someone's followers list.