What are the disadvantages of Fantom?

As a keen observer of the cryptocurrency landscape, I'm curious to understand the potential drawbacks of Fantom. Could you elaborate on some of the disadvantages associated with this blockchain platform? Are there any scalability issues, security concerns, or limitations in terms of interoperability that investors should be aware of? Additionally, how does Fantom's governance structure compare to other leading blockchains, and are there any potential risks associated with its decentralized nature?