> lacks features such as per process rules. You have to do hacks like assign rules to users

From a practical standpoint, I find it hard to imagine that the cost of added complexity for configuring application rules per user would outweigh the benefits of simply configuring them system wide. I remember the days of terminal clients logging into mainframes but all I see are single user desktops. Things like location on the network matter more in an application firewall than which user is accessing the desktop.