Not to mention the CIA had an exploit for Samsung TVs that recorded audio even when the TV seems to be turned off[1]. It is better to have peace of mind by blocking the camera physically.
> Kenneth White, a security researcher and cryptographer, told The Intercept that smart TVs are a "historically pretty easy target," and that there is "zero chance" that the CIA targeted only Samsung.
[1] https://www.zdnet.com/article/how-cia-mi5-hacked-your-smart-...