Learning web3 depends on what exactly you are looking to do within the decentralized ecosystem. It may require a steep learning curve depending on your experience in related fields. It is important to remember that any high level concept is naturally harder to learn. That being said, the basics of web3 is pretty straightforward, as they tend to revolve around traditional fields of study, such as finance. Transferring web3 skills into web3 isn't necessarily difficult and can be very rewarding.