It’s more complex than that. The whole purpose of the support group was to be anonymous and even included people related to supervillains and people victimized on superhero battles. That was set up like that precisely so people who wouldn’t want to ever talk to each other if they knew their identities could provide some support in a very niche emotional environment of the superhero world. He was a dick to her but the rules were there for a reason, Debbie’s not at fault either because she just wasn’t getting the emotional catharsis she wanted due to not being able to talk about her situation specifically. It’s a shit situation with no villain.