The whole understanding about digital freedoms and rights changed. It was like they changed their values over night and appealed towards completely different issues. Some even demanded more surveillance because "hate speech" was all the rage in this changed party. This new outlook was not only not attractive, it suddenly became quite repulsive.
While a party like the pirate party probably has difficulties to consolidate opinions in other fields than net policy, it wouldn't have been impossible. But it was done with a strange fervor around sometimes completely arbitrary and artificial issues not related to net policies.