My thought is that they get departed by things they see or hear about. It’s not they’re trying too many things; it’s more about prioritizing them. When I first read Traction Book by Gabriel Weinberg & Justin Mares, the authors made clear that things that might not work for you in your first steps may work later, and vice versa.
Traction Book covers the main 19 channels that can drive traffic and assist you in deploying your business. It also includes an explanation of the Bullseye Framework, a way to prioritize and to find the right channels and experiments for your product.