I took your feedback to heart that I don't offer a solution. So, I added this paragraph that suggests one:
"If Linkedin would just block people from sending hundreds of connection requests, firms would vett their recruiters better, and candidates would ignore messages from strangers, then spam would decrease."
"If Linkedin would just block people from sending hundreds of connection requests, firms would vett their recruiters better, and candidates would ignore messages from strangers, then spam would decrease."