Build something useful and someone will clone it. Write good code and someone will fork it. Develop a market and someone better-funded will enter it. The only thing that genuinely can't be copied is what people feel when they see your name.
That's what a brand is. Not a logo. Not a colour palette. Not even a tone of voice guide. It's the shorthand your audience uses to remember why they trust you. It's the feeling that makes someone open your email before they've read the subject line.
In a world where AI flattens the cost of building to nearly zero, brand becomes the only sustainable competitive advantage. You can't patent good taste. You can't trademark a point of view. But you can spend years showing up consistently — with the same voice, the same quality, the same values — until the people you're building for feel something when they encounter your work.
That feeling is worth more than your product roadmap. Protect it accordingly.