Yes, that's what makes sense for a trackpad. Many people want that behavior for their trackpad, and also for their mice to scroll in the traditional direction, which is the opposite that of a trackpad.
> That being said I'm pretty sure you can already configure this without an app, in the system preferences.
Have you actually tried it out?
> No way. I love the cmd + tab and pairing that with keyboard shortcuts for navigating browser tabs is super powerful and doesn't require compromising the beautiful giant amount of screen real estate by inducing multitasking with multiple windows open.
I really don't know how macOS-style application vs Windows-style window switchers have any bearing on this. Why should two Firefox windows next to each other be treated differently from a Firefox window next to Safari window? A browser window is a browser window.