This does remove useful things like the calculator result or the cast of a film when you search a film

Nah that is unrelated to Honey. You’re thinking of Pie Adblock which is created by the same people who invented Honey before selling it to PayPal.

States can a little bit of murder as a treat

After deleting your account, nobody can ever use that username again. (Including yourself)

For point 2, I’m not sure how you mean that but when you delete your account, it doesn’t delete your posts and comments.

I think their metrics showing people are deleting their accounts might be more impactful, because there are probably loads of unused accounts naturally.