I could be wrong, but I think the tweet is trying to say:
"these '[INSERT SOCIAL METRIC FOR SUCCESS] by 40' types are clearly operating from a distinct advantage, and it's more worthwhile to celebrate those who come from a more disadvantaged position."
This person is just aging and they're bitter about it...
I could be wrong, but I think the tweet is trying to say:
or something to that effect.
Yeah, thats a more charitable and valid interpretation