[fecak]

Recruiter here, and I'd welcome this type of response. I'd much prefer to reach out to someone via email address than LinkedIn, but when I can't find an address (it happens) it means a LinkedIn invite that has severe character limits. All you can usually fit is a quick intro and "are you interested in discussing a job doing..." type stuff.

This response gives the recruiter an opportunity to present a fairly decent pitch, while giving the recipient the ability to screen a more complete pitch instead of a truncated note.