As long as the candidates are not batshit crazy some controversy might actually be a benefit in getting PR, as long as everyone knows to answer everything with "You know as well as we do that we don't stand a chance of getting elected and anyone trying to make a point out of that are just trying to score points; the point of this campaign is to give people an opportunity to show their displeasure with the big parties stance on privacy; [launch into info about the point]"

I would invite readers to consider just how non-trivial the following task is:

Here is a list of 650 people that are almost as geographically diversely located as it is possible to be while remaining in the UK. Demonstrate that none of them are "batshit crazy".