 This message deals with a concern that was previously brought up in the conversation. The last part makes it easier for her to agree as it is likely to be something that she is thinking.
Her: Yeah u can meet a lot of crazy people here
Her: I downloaded this app with my friend we were just talking to people of course ignoring those idiots

I’m glad you understand why I always want to meet in public first. I don’t think you’re one of those people but you can never be too safe these days