There’s like, a “sticky” quality between the left and right click with this ability, causing it to trigger often even with fire no longer being held down. Wasting infusion when drones or shroud infusion was intended and more favorable.
You can set Infuse to toggle, which might alleviate this issue for you. I just found it felt better for me anyway
Do you have high ping? I did not had that issue with 60 - 80 ping, and playing all the time with RMB (hold to activate) when having a charge available.