Earlier quoted context omitted.
You can get the same in Germany with the much simpler GmbH or UG. GmbH & Co. KG is much more complex and mostly used to save some taxes in some scenarios. (However I absolutely agree that all of this is much too complicated and slow here in Germany)
In Germany you need a notary in the us you don't.
Yes, it's more involved than an online form. But in the grand scheme of things, a notary is neither a huge expense (the tax advisor will likely cost you more) nor a big time sink