It's the main purpose of them, yes. Define TV to me. I don't see the point of paying for decoders, smart TV and bunch of other things I'll never use, much smarter decision is to buy a monitor which focuses on image quality and performance, far more suitable for consoles, Roku, etc.
Commenter above low-key described that OLED as a monitor more than a TV
Unless it's done by someone adult with MAGA hat, why would helping a kid be a red flag?