Cloned pigs, sheep and cows have malfunctioning immune systems.
The question you must ask is - are you prepared to suffer the consequences of your system failing or malfunctioning?
This is particularly important if the toddler is going to be using a laptop, since spilled apple juice plus a laptop keyboard equals a malfunctioning computer.
When it comes to car alarms, you don't want it malfunctioning at the worst of times, allowing thieves to break into and drive off in your car.
You must be careful, however, as you could unintentionally end up stuck with someone else's unfixed problems, e.g., poor steering, malfunctioning plumbing or a non-functional air conditioner, to name a few.