How to completely disable unnecessary and creepy face recognition in lightroom classic

I opened up the library panel and deceptively, I got two options for face recog, 

1 was to allow it permanenetly 2 was to allow it "as necessary"

there was no other option so I clicked the latter

How I regret that as now its constantly scanning my folders everytime I open the app. 

I know I'm asking volunteers for advice but please consider I have already tried the most basic attempts such as "pausing" the face detection which does absolutely nothing, and deleting meta data. 

I'm looking for some settings either in the open or hidden to dispense with this creepy voyeristic malware inflicted upon my computing