My ds watches few tv, I would say 30 mins per day (but this is an average, some days 10 mins and some days 1 h). He used to have a tantrum every time we needed to switch off, so we limited it much more before. For example, we avoid it before bt, because every single time we allowed it before bt it resulted in a pre-bt meltdown...
Anyway, I also do not think that you can have too less tv. What I think is:
1) tv may be overstimulating. So it is better to avoid it before a difficult transition, like bt.
2) if you introduce it in one of the daytime routine, and keep the time limited, it is more likely the lo will learn to accept to switch it off. For example, we had and have tv before dinner (it can be 10 mins or 30 mins, depending of the time) and Ds learned quite quickly that if he switched off tv to come for dinner, he will see tv tomorrow, the same time. An entire week in between is perhaps too much for an lo to understand it is actually a routine. So if you want to introduce it as a routine thing, I would do it more frequently and, if you prefer, with shorter sessions.
3) sometimes ds had tantrums on switching off tv because he was alread ot and tv was actually a way for him of chilling. I think that, if you decide to use it, it is actually a good thing to teach a kid to use it as an instrument for relaxing after a long day, or in place of nap time as a quiet time.
4) I totally agree with creations: if your child likes to play with other stuff and doesn't ask for tv so much, the amount of tv is probably ok.
