Everyone is copying your sig Mixer. It's become a trend. Mine is the most accurate, due to there being numbers in my name. The problem is I don't know wether we're doing this as an insult or a compliment.
The auto fire of the spur and cube gun were added to help prevent any wrist injuries associated with mashing the shoot key. It's intuitive to use an autofire system if the player is just going to be mashing the shoot key anyways.
And that's a really simple hack. Just have the Bubbler's bullet set its own X and Y position to Quote's X and Y position every frame.