> (I dont know why people need that either, my vague impression is that scence-y types want complete pushbutton installation, typing a command == fail, I guess, I dont know).

Essentially, yes, and justifiably so. Try installing science-y Python packages on Windows written in C. When conda was created in 2012 this meant installing Visual Studio 2005 (for Python 2.7) which was hard to find on Microsoft's own website even back then.