I know I am not.
He is away in the week and I am careful to keep them away from this cr*p as much as possible.
He comes home and when he is looking after they (i.e. now, I am trying to do the Tesco order on-line) he takes the easy option and lets them play on this stuff.
DS1's week-end so far has been almost entirely x-box/nintendo etc etc (admittedly he did go for a 4 hour walk yesterday too). He use to spend every spare minute reading, and now this .....