Safari might have better performance than others but I feel like the UI is pretty clunky, and as a développer, god I HATE safari and all their differences with every other major browser.
The point is that by default today the battery of a smartphone is not removable by a random individual, it might not be super duper hard to do but you still need proper hardware and knowledge to do it.
10 years ago even my grandma could have swapped the battery.
Safari might have better performance than others but I feel like the UI is pretty clunky, and as a développer, god I HATE safari and all their differences with every other major browser.