Esoteric programmign languages are created more as an experiment, joke, art project, or proof of concept than for practical software development. They prioritize novelty, challenge, or expression over practicality and efficiency.
Forth is not that.
It was designed as a practical, stack-based language for embedded systems, instrumentation, and real-time applications. It emphasizes simpilcity, extensibility, and efficiency, and has been widely used in space missions, robotics, and hardware control. While its stack-oriented, postfix syntax can look unusual to those used to C-like languages, its purpose is entirely practical, not experimental or artistic.