You most likely don’t pay per call for your cellphone.

You most likely don’t pay per machine to use the gym.

You don’t pay per cup if they allow unlimited refills.

You are not supposed to go into an all-you-can eat buffet and stuff steaks into your bag.

Sometimes not all of us want to do the math à la carte for every thing we use in life. Don’t ruin it for us.

Not sure if this is sarcasm, but I'll respond as if it isn't. Having worked my entire career to date in the SaaS business, it is well known in some verticals that a large portion of revenue comes from companies that literally do not know they have purchased your product. And when you have a large customer like that, people are very careful to walk quietly and not do anything to notify them. I've seen it happen quite a few times.