It has been my experience working on similar projects for cutting down e.g. aws spend that the primary billers often have a really hard time accepting or incorp

It has been my experience working on similar projects for cutting down e.g. aws spend that the primary billers often have a really hard time accepting or incorporating bill-reducing features. All the incentives they have are geared to want increased spend, regardless of the individual preferences of any members of the company, and so that inertia is really hard to overcome.