When you use human resources, there is some chance people can make mistakes, but UiPath Automation Cloud robots cannot, as they are very fast and do their job correctly and efficiently.
Sometimes when we upgrade our Studio version, there would be some issues when we use a new version, but I would not say there is a significant negative aspect.
UiPath Automation Cloud needs to reduce the license cost. That is the first thing they need to concentrate on because many RPA tools are coming up in the market and some are much cheaper than UiPath Automation Cloud.