You expect the microwave team to communicate with the oven team?

I generally dislike anything that causes me to scroll back up, takes me out of the flow. I'd much rather scroll a long page

Never go full rewrite

These operations have performance costs, which the runtime minimizes with a sensible strategy: it usually grows the capacity by more than one each time it needs to grow, and this growth is smaller for larger slices.

From the awesome book by Jon Bodner: Learning Go

Slices are essentially sequences of values in consecutive memory locations, when a slice grows beyond its capacity, the runtime must allocate new memory, copy data and update the pointers. Then the garbage collector must reclaim the old memory.