Fujitsu and RIKEN have announced the development of a 256-qubit superconducting quantum computer, positioning them at the forefront of quantum computing technology. This advancement raises questions about the practicality and functionality of qubits across various quantum systems. While the progress in qubit numbers is notable, the comments highlight skepticism regarding the real-world applications of such technology and the current limitations, especially in terms of error correction and the general usability of quantum systems. Many experts express a need for concrete applications beyond theoretical experiments.