Here's my conclusion: you're either lying about your age or have a legitimate developmental disorder. At least if it's the latter, there's no shame in it.
I'll just be straight: sixteen year olds don't speak like you do. The tone you use is roughly the same tone that people twelve and under use. So that leaves only two possibilities: you're a normal preteen, or you're a sixteen year old who is behind on the developmental curve.
So this gives two alternative conclusions:
A) You're a preteen and your parents are trying to facilitate your development. This is normal parenting behavior, and it's normal child behavior to resent it.
B) Your parents are trying to provide the additional structure a teenager with a developmental disorder needs to make the best of themselves. This is normal parenting behavior, and it's normal to resent it.
In the off chance that you are the average 16 year old who just happens to have an immature online persona, you should talk to your parents about how in less than two years you're going to be a fully grown adult.