Excellent rule.
The corollary is to not try to *sell* your work or product; make announcements but no "marketing". This will force you to make better quality products.
It feels like Democrats owe their people an apology for being bad at their jobs - they had a long time to codify Roe v. Wade, defend a balanced court, get RBG to step down, etc. Instead they got played and trounced. “Help undo our failures!” is not a compelling rallying cry.