Clearly, collecting a signature isn't the same as asking for support, since the signature doesn't mean a commitment to vote for the candidate in the election. I think that this could be clearly stated on the form as well.
I assume that people are currently asking you this question and that you're certainly answering it. This wouldn't change. I think that we could look at clarifying this.
That said, we must be careful with the forms. When they're overloaded with information, people don't read them anymore. We must carefully select the information included. However, we should definitely look into this matter.