When I unschooled my kids I didn't "teach" my kids, I facilitated their education. If I was to let my ego get in the way and think I had to teach them or lecture to them they would have only learnt what I know. They were/are capable of so much more than that. The next point is to realise that, given the right conditions, learning is always happening. We never stop learning and we can also learn so much from our kids, if we can just let go and stop thinking of ourselves as above them.
Discussion
It depends on what you think teaching is I guess.
A teacher can only do two things, direct and accelerate someone else’s learning. I am assuming you did both, intentionally or not. I can direct someones’s learning by simply teasing curiosity. I can accelerate by choosing to expose or by encouraging to experience.
We associate teaching to bad teaching, because there is a whole lot of it out there.
Even if I were to try to directly transfer knowledge to my son, which of course I do, in a multitude of ways, one day, if that knowledge matters to him, he’ll come back to me and tell me the same thing as if he had just discovered it.