I spent years trying to untangle us from their managed services, but couldn't as they batched all discounts company wide. I've never worked anywhere where departments shared budgets (even in a 3 person startup, my marketing "budget" was kept separate to other elements, alas the CEO had other issues...), but they basically enforced us to.
That meant I had to pay for pretty much all the LinkedIn usage company wide out of my budget (to receive the discounts on different products as they only applied to one invoice - huge savings on purchasing separately from different budget lines, but still large sums of cash), but internal systems meant other departments couldn't contribute their share back to us.
And once you're in the door, you're then given about 3 different contacts (your sales contact, a follow up sales contact, and then some kind of "content success" person whose only job I could tell was sharing the occasional case study).
God I hate LinkedIn sales.
Less than a certain amount and you literally couldn't move it out of a department (spend it or lose it) - you could shift it inside the department easily enough, but we as marketing and them as HR couldn't do it.
> the kinda crystal ball required to make rigid dept budgets work year-round
Apart from some mild quarterly reforecasting, you mean you've never had the joy of trying to flight out an entire year's marketing spend at the start of the year before? And then have to justify every "variance" ;)