Agreed, I was just joking. I understand heterogenous lists are possible with Python, but with the use of static type checking I feel like its pretty rare for me to have heterogenous lists unless its duck typing.
Whether that's a feature is hard to say. Your language stopped you thinking in those terms, and stopped your colleagues from doing so. Did it force clarity of thought or awkward contortions in the implementation? Tends to depend on the domain.