Thanks for playing, and also thanks for the feedback! You are not the first person to mention this to me! I will adjust the initial delay a bit on the shooters to be a bit more forgiving!
Edit: As a heads up I have just pushed a new build that both increases the minimum spawn distance for the shooting Debugger enemies, and increases their initial windup time. My intention for these enemies is to counter strategies where you are camping in one spot, so having them spawn close to you somewhat defeats that purpose.
If you give the game another shot let me know if that feels better!