This is a valid criticism of the second sentence as it stands, but I think Zack is pointing at a real pattern, where the same person will alternate between suggesting it matters that H is true, and, when confronted with evidence against H, suggesting it doesn’t matter whether or not H is true, as an excuse not to change the habit of saying or thinking H.
Sounds like an argument for reading more celebrity gossip :)
This is a valid criticism of the second sentence as it stands, but I think Zack is pointing at a real pattern, where the same person will alternate between suggesting it matters that H is true, and, when confronted with evidence against H, suggesting it doesn’t matter whether or not H is true, as an excuse not to change the habit of saying or thinking H.