Do you have any instances prooving that she can control this clairvoyance? Does she just kick back and look into the future, or are they fractured images that come at random times? You've said you think she can control it, maybe sorta, but that doesn't amount to a hill o' beans.
And you're not the only one with a telepath. We have Betsy, who's a lot more experienced, she could probably disable and rape Spider-Woman III's mind.