Sure, I've done without both.... in 2002. Long fucking time ago.
Shit I almost forgot, I've also lived without any TV during the past 2 years, while in grad school. I did that because I didn't want to kill my schoolwork. I wouldn't call it a "Digital Cleanse" like you are suggesting.
But if you enjoy sports of any kind, you lose out on a lot of free entertainment in glorious HD if you forgo TV. If you hate cable companies, rabbit ears gets you all the relevant games in full resolution. During the last 2 years without TV, I would watch illegal streams on a pathetic laptop or go to sports bars. Can get expensive if you add it up.
I don't believe "TV is dumb" or "Reading a piece of paper is sooo much more enriching". Serious? Fuck that. Read wherever the fuck you are comfortable. If you need to self-restrict in order to not binge, then take whatever measures you need to, I guess.
I'm on the fence about whether I would pay $80 a month for cable TV, but internet and a HD tv are not evil things IMO.
Remember:
http://www.theonion.com/articles/area-man-constantly-mentioning-he-doesnt-own-a-tel,429/