All of those are either kind of ‘eh’, or have decent workarounds, or aren’t even valid at all. There are plenty of ftp client and server apps that work absolutely fine, I don’t even know what your talking about on that front.

Please don’t add a mouse cursor to iOS, No!

I find the new cut n paste stuff outstanding. There are a range of decent screen sharing, presentation and touchpad apps. There’s a decent free Gmail app that supports multiple accounts.

Can’t use Python? Good grief, where have you been hiding all these years? Pythonista is a fantastic Python dev environment on iOS, with several apps and games published using it, and there are a bunch of other dev apps for other languages, plus Working Copy for git and github integration.

The iPad doesn’t do everything, sure, but it’s way beyond being a basic consumer device. In particular Pythonista, with its built in GUI designer, support for games development, community shell extensions and tools make it an incredible powerhouse device.