This one is an easy fix, just set your station to Evade/Stand Off instead of Point Blank. The tractor beams then push the attacking ships away.

Still a risk, but not as dangerous as they used to be. TBH the only area weapon that has caused considerable FF so far was the super-weapon class.

Also don't colonize too many worlds once you get the ability to do so, they tend to have huge amounts of corruption.

You can wipe the Shakturi out if you do it as soon as they appear, whereas containing them will be impossible if you let them go too long as their homeworld is amazing at pumping out hundreds of ships.