Do Not Steal - help

I need help understanding how Do Not Steal works. I have Rusty Staub on one team. He is set to Do Not Steal. The guy behind him in my lineup is set to Do Not Hit&Run. Rusty hits a single in the 6th inning of a game tied 2-2. He then proceeds to steal but is caught stealing.

Did HAL override my 'Do Not Steal' suggestion because we were tied in the 6th and a "D" stealing player was a better opportunity than my next hitter?

I'll copy this topic to the General Strategy forum. That will double your chances of getting an answer.

my theory is that it was a failed bunt or hit-n-run.