This is not about believing but facts. Since you got nothing but accusations with empty hands, it is pure speculation from your side. Did you expect to downvote without any consequences? Harming someone's project the way it happened in this case takes consequences.

You are still hiding behind an anonymous accountname while she was acting with her clear name. You easily ignore this fact while continuing with hiding and speculating.

Just go for stiftung-hundehilfe(dot)de and scroll down to check who made that website to see her being in honest relationship with shelters. If your argumentation is based on any kind of information and not just on pure speculation without any knowledge so far, you will recognize it links to the same website her account linked to.

So there is the evidence, what is your reaction now?