I voted the comment up - because there is a relationship there. There are just other correlations and causal influences that are somewhat stronger in some situations.
The fact that you had to choose so ridiculous an example suggests that Paul Graham is basically correct. (I think the correct reading of "anything you do to decrease one will probably also decrease the other" is "if you pick something that decreases one, it will probably decrease the other" rather than "literally every single thing that might decrease one will, with high probability given that you do that particular thing, decrease the other".)
Take off every 'quote'! You know what you doing. For great insight. Move 'quote'.
And if you don't: