✔ 最佳答案
No. It's not stealing. By that logic, using 3rd party component cables would also be stealing since I bought them from somewhere else instead of Nintendo. That's not the case.
Newer TVs are dropping all analog inputs so HDMI is the only input that it can take. Since the Wii has no native HDMI support, this is the only way to get the Wii connected to an HDMI TV.