The problem is not so much the system as it is some ships that have plasma burn have terrible shot range and not-so-fast backward mobility. Once they engage, they must overpower the enemy and win the flux war or else they probably spend the rest of their lives backpedaling then either dying or burning off too much PPT because they are outranged and cannot escape fast enough (unless they have Safety Override).
And it is not just those ships with Plasma Burn. It is other ships with limited mobility and no good escape system, or one AI does not use competently (for escape), like Hyperion's Phase Teleporter.
For something like Fury, I take Safety Override not because of better flux stats, but because AI that will not drop shields needs the zero-flux boost to escape faster when AI gets scared from high flux and tries to run away like a dirty coward, and with its poor shot range, Safety Override does not hurt shot range much.
It was said that Safety Override may not exist in its current form later, so I cannot rely on Safety Override giving such ships enough speed to escape. Also, capitals cannot use Safety Override at all in the first place.
As for Plasma Burn rework, it should have the option to let the ship burn backwards, or just change it to Aurora's Plasma Jets for the human high-tech ships. Brilliant can get enough shot range to make Plasma Burn work. It needs Plasma Burn to keep up with fleeing enemies, and it has 800+ range ballistics and beams to punish the enemy. Human ships (Shrike and Fury) do not have enough range from pulse lasers or blasters.