HR in any company is to protect the company from lawsuits regarding employee and managerial misconduct. Since managerial staff are proxies of the company HR will sweep issues under the rug not because managers or other employees are angels but they don't want the company sued.
HR is not there to ensure a safe and productive environment is in place.
The HR ladies are subjugated by the hostile and abusive men in the company who treat them as Stepford Wives to be obedient. Those things don't have a say in the outcome of anything.
No they don't do anything to stop bad behavior or non performance even when they've previously been sued by the federal government to change their hiring and firing practices.
Do these things do anything besides collaborating with management to harass employees?
Amen