If you still believe that more megapixels means better quality so that’s not true, image quality depends on sensor size and processing, not just only megapixels.
It’s not true as modern lithium-ion batteries perform best when partially charged and not fully drained.
Though incognito mode hides browsing history locally but your ISP employer or websites can still track you.
They are less targeted, it's true but still they are vulnerable to malware and punishing attacks.
If you know smart charging systems stop overcharging but it’s not harmful for most modern devices.
It’s not true as signal bars show strength not the quality or the speed of the signals, it can still cause poor performance.
Closing Apps Saves Battery: If you force-close the apps it can actually drain more power as they reloaded in the background.