It is a good idea to not rely on Ethereum.
Although there are hundreds of projects using its Blockchain for crowdfunding, few distributed applications are completely launched and even fewer are actually excellent applications. Most Ethereum projects still use focus parts to provide their products.
Yes, other projects are using Ethereum Blockchain as one of many components of their project, not for the specific deployment of DApp. These components may include transactions and incentive classes for the stock issuance mechanism and other types of back-end tokens. In most cases, Ethereum is not much different from an ICO platform.
This system allows applications and application stores to become more efficient for developers and users. Application developers also benefit from an unmodified reputation system that extends to all application stores using the protocol.