Will the TV ever replace the STB?

Despite ongoing predictions of cord cutting/shaving, STBs still securely deliver pay-TV content into the majority of homes. But TVs are becoming smarter by the day and device manufacturers would rather sell a new TV than a “cheap” STB. This is not new, but will this year be the one when the big screen wants a bigger role?

What would it take?
In essence the TV would need to take over all of the duties performed by the STB.