Worst iOS ever

I have an iPhone 6 and I Held onto iOS 9 up until a week ago. I regret resetting my phone and excepting the update, but was sick of the annoying pop up requests, and the 1.3 GB of space that the iOS 10 would download automatically and take up, pending install. The main issues for staters is battery life did gotten worse, there is a noticeable latency (delay) when trying to do anything with the phone now. Also, simple texting is horrible, as the built in text app locks up, is slow or simply flakes out and forgets what your trying to do. I don't use emojis or gifs, this is from simple txt, sharing links or pictures. Not sure what's up with Apple these days, but to me, apple seems to be in a down ward spiral. I have experienced many people moveing away from iPhones, and now I know why. I may be switching soon as well, unless the next update isn't made by a group of kids with high school diplomas. In the event this post ever gets noticed let's give the people what they want, and that's not just a new designed, over priced phone every year that can only run the latest iOS and slow all the others. How about being able to choose what iOS you'd like. Maybe a stripped down, lite version for older phones that can't quite handle the bloated newer version. Simple Talk, txt, email, and pictures, and the always updating security.