https://www.theandroidsoul.com/how-to-fix-galaxy-s9-lag-and-...
https://superpowered.com/android-audio-latency-problem-just-...
Not to mention all of the security vulnerabilities that don’t get patched.
The advantage of updates is that it encourages app developers to take advantage of the latest features. For instance, the author of Overcast, my favorite podcast app could release a new version that required iOS 12 a month after it came out without having to lose any customers - anyone who could run iOS 11 could run iOS 12.
As far as updates, just the integration of shortcuts and Workflow has done wonders in iOS 12.
And apple lags just as much.
https://qz.com/1162402/why-your-iphone-feels-slower-after-ea...
Shortcuts is a weaker version of Tasker. You could have switched to Android and had that 5 years ago.
As far as “batterygate”. Batteries degrade over time. Either Apple slowed the phone down or the phone shuts off.
Btw, your link shows how much better the Galaxy phone is. But if you choose your phone based on which has higher benchmarks rather than things like a better camera, to each their own.