The ESET root certificate is not pre-generated. Keeping SSL filtering enabled is strongly recommended and safer than having it disabled as the number of malware that utilizes encrypted communication is rising. With SSL scanning disabled, your system might be vulnerable to such malware.
That doesn't address all of the issues raised in the article, and it's also irrelevant to Chrome users on Windows 7 because having the filter enabled makes the browser completely unusable. Do you have any comment on this Chrome problem? Why does it not seem to affect Windows 10?