The technical difficulty not withstanding, the point seems to elude you. We want a convenient way to preview maps and make small adjustments that don't require an hour or more of our life to review and test iteratively. Telling us how you can't fathom not spending inordinate amounts of time testing in game with console inputs isn't constructive man.
I'd like to be able to paste my world config into a tool, have it do some type of proportional sampling and display for me a rough idea of what generated. I'd like to do that over spending hours of my life learning syntax to esoteric commands and manually reviewing iterative changes to config settings, and judging from the number of posts I find here and on reddit about this, the majority agree.