I hope you feel better now you have got that off your chest!
But are you aware you are addressing only fellow-customers like yourself, and no-one from Now management is likely to read it?
And, by and large, everyone is having their account reasonably conducted, or else they too would have been off long ago?
Glad you have FTTP now, as I do. It’s a revelation, isn’t it? I really wonder why Now are holding off offering this, and for how long? It surely just has to be a matter of time before they cave in, and start offering it,
Set a Payment PIN on your account so that no-one but you can buy memberships on it. Check your bank accounts monthly for any other unexpected payments to Now. That way you can at least nip them in the bud, while you and Now figure out whose fault they are.