I am ok with both of these stopages. Turtle mode is not intelegently defending yourself. If you want a guy to stop hitting you from mount ....control his posture or his arms bottom line
Herb Dean is an excellent ref; I've seen every ref make a bad call here or their but to call either of these bad calls is extreme nitpicking.
McFedries went into fetal position against the cage, and Crane grabbed his face and gave up his back.
Whether either could continue or not, it was their reaction to the damage landed that made the stoppages called for.