[m463]

Apple does this.

Search "apple trust scores"...

"Apple has quietly introduced "trust scores" for people based on how they use their iPhones and other devices. The tech giant, which last month became the first public company to be worth more than..."

[loa_in_]

So does Google bot protection (not a robot checkmark). It's necessary to score users at least in that dimension to eliminate normally created accounts that post spam or in worse cases malware.