> Agism is definitely an issue in tech, but it's likely that he is not up to date with some of the more modern languages or techniques Why do you suspect that

> Agism is definitely an issue in tech, but it's likely that he is not up to date with some of the more modern languages or techniques Why do you suspect that he is likely not up date? The first part of your sentence mentions ageism, although the second part sounds a lot like it.