It's my experience as well. I do receive several "inquiries" per week, mostly due the fact of having left my CV (obviously now very outdated) in many job sites

It's my experience as well. I do receive several "inquiries" per week, mostly due the fact of having left my CV (obviously now very outdated) in many job sites when I was looking for a job in London, almost 10 years ago. They are of the type "Dear [Name], I hope you are well. Would this role be of interest for you in your current situation ? [role description]. If not, do you know some friend of yours that would ? Best regards, [name of person totally unknown to me]." This is not even a serious inquiry, much less an "offer".