* It's not a continuous source of energy: Static electricity is a buildup of charge on a surface. It's like a tiny battery that quickly discharges when it finds a path to ground. This discharge is not continuous and wouldn't provide the sustained energy needed to power a TV.
* It's not high enough voltage: Static electricity has a very high voltage but very low current. TVs require a continuous supply of both voltage and current to operate. The low current from static electricity wouldn't be enough to power the circuits inside a TV.
* It's difficult to control and harness: Static electricity is unpredictable. You can't easily generate a controlled flow of static electricity like you can with batteries or generators.
Think of it this way: Static electricity is like a tiny spark that quickly disappears. A TV needs a consistent and powerful stream of electricity to function.
While static electricity can cause temporary interference with a TV's signal, it's not a viable source of power.