So, I was told today that I am, basically, too old to be considered for a particular job

[Major Nikon]

22. They almost always do

And yet employers still manage to lose these cases. EEO cases aren't like criminal cases and reasonable doubt is not the legal standard. If a case like this gets far enough, eventually an administrative law judge weighs your word against the employer. That's why it's important to write down everything you remember and as much of the exact words spoken. You can pretty much count on the employer remembering things 'differently'. Furthermore the employer doesn't have to say verbatim that they are not hiring you because of your age. If they say things like "we want someoene with more energy", or anything along those lines, it can and is often regarded as illegal workplace discrimation by the judges.