Hey Jippy, thanks for the reply and sorry to hear about your experience!
I find it ridiculous as you have nearly 35 more years of a flying career ahead of you! Their loss! Is there an option not to inform them of your age, or even as some people suggest not being truthful about your age, if you were to be successful and then for them to change their mind due to your actual age, they would be liable for discrimination! I am 27 but fear this age discrimination may affect me in the future!