Just for one example, when you have to get a form, and then submit the form, with the CSRF protection that was in the form... of course you COULD write that you

Just for one example, when you have to get a form, and then submit the form, with the CSRF protection that was in the form... of course you COULD write that yourself by printing HTML and then analyzing it with C# (which triggers more requests to chromium I guess), but you're probably going to wonder why you are reinventing the wheel when you want to be getting on to the domain-specific stuff.