I’m pretty sure the mobile teams UI is also just web stack with a webview wrapper. They want you to use the app so you have to install intune and to get deeper into your system.

There is no additional pressure besides from the height/drop, so unless so have a substantial leak where you lose a lot of water, it “just works”.

Because it’s simpler to build siphons through large valleys instead of 100 meter high 10 kilometer long aqueducts.