My daily experience on the NYC Subway is that it's an incredible marvel. [1]
[0] There was even an article on r/nyc earlier this year about how New York shouldn't get Amazon's HQ2 based on the access to transit requirement. The article argued that the transit is too bad here. That's -- that's so absurd as to be almost beyond belief.
[1] An enormous caveat here: I can walk or bike to work. I do use the subway at peak hours fairly frequently, but I'm not reliant on it or held hostage by it, as many others are.