I worked for a 80+ year old non-profit. Their tech was definitely a shit show before I turned it around. I won't be surprised if it ends up degrades into a shit show again in a decade or so.
Almost immediately after you left, they promptly lost the admin password, Phyllis in accounting said, "why don't we just go back to copy machines and filing cabinets, we know how those work" and they unplugged all your computers.