Dd is 22 months old and I've never had stair gates for her. We were watching dd1 at an extra-curricular activity the other day and when it was time to collect her we began walking with another mum and her slightly older toddler. They both ran ahead and eventually there were some stairs. I called to dd to wait though they were probably only five feet in front of us. She stopped and sat down ready to go down backwards/on her bottom like she does at home. The other lady's toddler carried on running full speed and she had to run to catch her just as her foot went over the top step. Thankfully she was fine and the mum explained it as she's never really seen stairs without gates. Dd stops a few feet back from the top of stairs as she's used to no gates, though obviously I Would make sure I'm there in case one time she didn't.
I had stair gates for a while with dd1 but got rid when she pulled it and it nearly fell on her. I told the lady we don't have stair gates and she looked disgusted. Aibu not to have them and to think they can actually be more dangerous?