I think some of Mark's later posts have refined his stance on cardio. I think he is not opposed as long as you're not pushing too hard (less than 75% max HR) for too long.
The Health Benefits of Moderate Exercise | Mark's Daily Apple
I came across this rebuttal of Mark's arguments against chronic cardio. I think on many points, Mark would agree with this:
Debunking Chronic Cardio: How Running Keeps you Lean, Fit, and Young