Thank you for acknowledging how much fun your son is having at the nursery and how lovely the staff are. We are very happy to hear.
It is concerning that you feel management is not up to your expectations, it would be helpful if you would agree to have a face-to-face meeting, I understand you have not wanted to do this when offered before but if you really want to build a stronger relationship with the nursery this would be the best option.
1st Place always takes complaints seriously and this is why it was escalated to the highest level.
I understand that you are not happy with the outcome, but I am pleased that you feel safe to continue to use the service there.