Yes, there's an awful lot wrong about this film. Not sure they have their mouths sewn shut though, those look like proper bite marks on her fore arm. I suspect they've ripped the venom sacs out...
I bought my 7 year old daughter a 2 foot corn snake earlier this year. It's the perfect pet and she genuinely adores it. No other pet has ever had the same attention from her as this little beastie. Not only that, but it only needs fed once a week, only poos once or twice per week so easy to clean out, never gets lonely, never gets bored, peaceful, and doesn't need walked (no legs). And it's a very beautiful animal.
A cobra on the other hand, is not a suitable pet for anyone