This is not a left-right, one group vs another group, fascism against democracy argument. This is a well documented moral and philosophical conclusion that you don’t give tools like these to a governing body or organization. The targets and terminology always get corrupted by bad-faith actors over time. You would not have control over how this information gets used nor the validity if someone just “placed” a sign for the photo so they would be targeted.
You are self-reporting to a system that has the ability to become oppressive, use your time more wisely if you wish to promote a good cause. https://go.kamalaharris.com/ has remote volunteering with phone banking etc and has training you can take and local events if that’s your shtick.
The link was one example of something you can link as actually helpful and not detrimental to the democratic process. Making lists of political opponents (and especially citizens) is a fascists move, you’re using the tools of the master to try and take down the house. If you support a tool being abused by bad actors, you need to look into that tool. Just because you’re ignorant of the situation doesn’t mean you aren’t complicit.