Knowledge needs to be backed by qualification or training evidence - at a recent interview a friend was told she was highly skilled, motivated, efficient, very creative, confident, bubbly enthusiastic nature and capable (verbal and observational feedback); that she presented herself extremely well but...'You need more training', 'we know what you meant but you didn't use this word, or say that.' 'I realise its nitpicking but...' The interviewers, apparently were amazed at her creativity - ideas, but.... Lifes skills, previous qualifications, wealth of experience, and the fact that she currently worked in a leadership role covering hands on and administrative (all areas of work for my role that often is allocated to three different person), didn't account for anything. Terminology and jargon appropriate to the post applied for is what is wanted. The need to 'fit in' comes into play too. In some situations, very poor excuses are often the feed back. In some instances, I've known young people or employees to 'flourish in a situation - hands on', when given the opportunity to display their natural attributes in a working environment.
Sadly, whilst you may hold little value on qualifications society is 'demanding' more qualifications. Parent/carers in recent surveys have indicated they want better qualified Early Year workers - professional, understandably so, as its their children they are entrusting to others care and they're paying for it. However, this is the trend across the board in all walks of life. Whatever avenue of training one undergoes.
I firmly believe in ALL areas of society, irrespective of status or class, like you, there are high achievers. However, the 'labelling' of social classes leave a stigma. Like in the Bible, it was said of Jesus, 'Can any good come out of Nazareth?' Yes, good can come out of anywhere and anybody. Its been passed from generation to generation and Jesus broke that mode. Many have proven, yes something good can come from...when there is faith in oneself, faith in each other and faith in individuality rather than collectively. Everyone has the potential to achieve their dream - it takes self belief and inspiration and encouragement from others who can influence them in that goal.