But I won't say that.
First of all deploying any software on a large network is a serious task. It should be carefully planned and performed with the correct (read: responsible) approach.
The hotfix must be tested on as many machines as possible. Possible negative consequences must be determined and decided upon if they are acceptable or not.
In short, more rigorous testing is required.
Ilfak Guilfanov, the author of the hotfix