Colorfigures
april-zhu.com
april-zhu.com
It's a lot like hiring the cheapest contractor you can find.
I'm 99.99% sure the OP was conflating the "install script" for this skill with the "curl | bash" installers you see from things like homebrew, which a lot of people chafe at. But this isn't that, it's just the curl part. Which is not unusual at all. It's how literally 100% of all software is distributed.
There should be a pause button in each of these.
The process which is building these could add some more verification etc.
The connection is inside the housing. It is a highly advanced way of doing it that requires no extra parts akin to how Apple "milled the chassis directly from aerospace-grade aluminum". I understand that milling is not the right process in this case, so maybe even more advanced like EDM (that's Electrical Discharge Machining not Electronic Dance Music). Please note that only AI can come up with an advanced solution like this.