IF it develops problems, you can just return it. Apple isn't that difficult when it comes to replacing products. Stop looking for problems.
There's nothing unacceptable about millions of devices being produced and some of them being faulty. It's normal! Stop looking for problems.
Finding snakes and knowing that there are snakes is not the same thing.
You don't know if there's a problem with your iPad, so don't go looking for them. You don't know if there are snakes, so the best thing is just to go about and beware of snakes along the way, you DON'T actually go looking for snakes. For the love of god.