What it will do is clog the tube. Put them in the primary and run the beer through a sanitized nylon into the keg. Those little fibers on the berries can form mats and clog the tube just as well as the seeds or skin. I have a keg with a screen on the tube that I use for berried beers or ciders.
Remember one unassailable statistic, as explained by the late, great George Carlin: "Just think of how stupid the average person is, and then realize half of them are even stupider!"
"I would like to die on Mars, just not on impact." Elon Musk