Not sure it is ageism, but I hate how scrum-master (young people who has a few days of training and made arrogant by their 'master' title) take agile methods as

Not sure it is ageism, but I hate how scrum-master (young people who has a few days of training and made arrogant by their 'master' title) take agile methods as a pretext to disregard any experience we built the hard way on the way to manage IT projects.