I did my IR in 2004, passed first time, and never found a job in Europe in 8 years despite having a 320 rating, and still no job
And maybe you have some personality defect that means nobody wants you in thier cockpit. Just because you have payed for your training doesn't give you the right to a job.
And as for the letters they can't exactly send you a letter saying sorry but we think you are a knob and don't want to employ you. There are people who we do like even though they don't have the same qualifications as you we are going to employ them anyway because they arn't a knob