In all seriousness, are there any common patterns or strategies people use to avoid having to write a sentence in which "that that" appears?
Evidential decision theory recommends taking the action that you expect will yield the highest utility, given that that action has been taken.
I am aware that the construction is grammatical; it's just rather ungainly in written form.
Interestingly I find it doesn't usually sound as awkward as it reads, since people usually pronounce the two differently, with a long
a on the second 'that'.