I will never understand when a company/government entity pay people a high salary then give them crap or low-end hardware. You should be maxing out dev machines and the rest of the company should rarely see a spinner or have to wait on their tech. It's a huge waste of time that you are paying for. I once calculated how much time I wasted waiting on slow processes at a job and then multiplied it by my effective hourly…
One big problem is misaligned incentives. At most big orgs, you have an infosec dept with authority to put all kinds of virus scanning, etc etc on every computer in the org. They get rewarded if there are no incidents; they do not get penalized if they make your machine impossible to use.
The most secure system is one that isn't being used.
Therefore, the main priority of an IT department is to make the systems as difficult or unpleasant to use as possible.