I find the opposite: most quotes are incredibly insightful and powerful, but wasted on people who can't act on them, and insist on vague and pointless lives.
Why would you call that a personal attack? It's my standard opinion on quotes. I used the same wording used to dismiss them to make the message stand out more.
To paraphrase Chesterton quotes have not been tried and found wanting. They have been tried, found hard to abide to, and been abandoned.