Layoff the bulk of them and outsource what HR you need as you need it.
They never respond and when they do, they give the least obfuscated answers they can give. Most often times its a link to the FAQ which in turn usually does not answer the question posed. Since they are so proud of sending people to use the chatbot for help, then why have them around.
Funny how upon the threat of layoff’s that also includes them, you find HR chiming in on this board more than they ever had.