If you remove lag, a whole bunch of matchups are dramatically different since they are built on the premise of denying basically all commands to your opponent. It is also really easy to survive already if you know what you are doing. Conservative play is already heavily rewarded in a bunch of cases. Lag being less effective would just make that even easier.
I've been pondering lately what change/changes could be made that would make it much more likely for a vet to die without also making it nearly impossible for a noob to survive... and I've mostly come up with jack shit. Maybe ditching the anti-gang code or something?