It's not that space leaks are not a concern; it's that it's actually quite easy to avoid creating them, and if you manage to do so and it becomes a problem, it'

It's not that space leaks are not a concern; it's that it's actually quite easy to avoid creating them, and if you manage to do so and it becomes a problem, it's usually easy to track down. I don't know any experienced haskell programmer who would even mention this in a list of complaints about the language (which they are sure to have, but they will likely be more abstract).