Beagle
On your last point, there is another factor to be weighed in the balance. Stopping rather than rolling implies use of the brakes, which will therfeore be partially heated. A subsequent taxy round would involve more braking, and therefore more heating (steering on the ground is be differential braking of the main wheels). The Canbera brake units would not take too much of that without suffering a considerable degradation in the remaining braking action available. This would invalidate the normal Stop and EMBS speed calculations for the subsequent take-off, and increase the risk of brake fade and possible brake fire if the second take-off had to be abandoned. On the other hand, there were established techniques for reacting to a thrust asymmetry during the roll fro an asymmetric approach, and it was a possibility that always had to be expected.
Regards
Ginseng