This is especially true for London recruiters. I had this happening to me too. Recruiter said "oh you should only ask for 15% top, I don't think we can consider

This is especially true for London recruiters. I had this happening to me too. Recruiter said "oh you should only ask for 15% top, I don't think we can consider you for the job". Stay away from those recruiters and never negotiate your salary with recruiters.