Thomas Babington Macaulay

Nothing is so galling to a people not broken in from the birth as a paternal, or, in other words, a meddling government, a government which tells them what to read, and say, and eat, and drink and wear.

Hammer down product fundamentals first. Make sure you've got something that works before doubling down on promotion and marketing. Create a groundswell of organic support, and only then leverage PR and advertising to spread the word.