Enterprise sales teams, please, I beg you, stop

At $dayJob we reached the seat limit on a SaaS product. I reached out to their sales team for a quote on a few more seats. We already pay for this software. I'm not a new customer. What I expected was an email saying: "Great, glad you want to use this more. It will cost £X." I needed that price because I can't green light the spend on my own. I take the number away, get the approval and come back. Instead I got an email asking how many employees the organisation has. A pointless question when I only wanted a double-digit increase in seats. When I asked why, the answer sounded made up: "to route you to the right sales person". Because obviously not just any sales person can quote for a few extra seats. It has to be this guy. The real reason, of course, is that the size of the business lets them pad the bill. Over a day later, that sales person replied to ask what I needed. My blood pressure started to rise. They had been copied into the whole email chain and hadn't so much as glanced…