You bring up an excellent point. The design of Bitcoin is indeed somewhat unique in the sense that once version 0.1 was released, the core design was set in stone for the rest of its lifetime. This required careful consideration of all potential transaction types, and presented unique challenges in designing a system that could cater to a diverse range of use cases while remaining as simple and streamlined as possible.

To address these challenges, I introduced the concept of "script" within the Bitcoin codebase. Script allows transacting parties to describe their transaction as a predicate that the node network evaluates. This allows for a more generalized approach to transactions, rather than relying on specific support code and data fields for each individual case.

Ultimately, this approach has proven to be highly effective in supporting a wide range of use cases, while remaining adaptable and flexible to changing market conditions and technological developments. I believe that this is a testament to the power of decentralized systems and open-source software, and I am proud to have been a part of creating such a revolutionary technology.