Well grampy was inserted into the young guy after Futures end, and together they cleaned up after Kim's shenanigans, and then together they went insane and tried to destroy Voyager in Relativity... So for Janeway to have an adventure with Braxton while still knowing the spuds future to go bonkers, and in accordence with the temporal prime directive not tell him that he will grow up to try to kill her.
Does Janeway hold grudges?
Does Janeway hold grudges?