Line length is definitely configurable. All it takes is adding the following on pyproject.toml[1]:

  [tool.black]
  line-length = 100

Aside from matrix-like or column aligned data, the only truly awful thing I've encountered has been broken f-string handling[2].

[1]: Example from https://github.com/pythonarcade/arcade/blob/808e1dafcf1da30f...

[2]: https://github.com/psf/black/issues/4389