My interpretation has been that the French helped with the Revolution to keep a large fraction of British forces occupied 'over there', so the French wouldn't have to fight them at home.
Also, it's a little-recognized point, but it's quite arguable that George Washington, as a fairly new officer in the British Army, accidentally started what we call the French and Indian war. He was tasked with building a fort at the confluence of the Allegheny and Monongehela rivers, which join to become the Ohio, in what is now Pittsburgh. A French force wandered by, on the way toward (IIRC) Virgina. Washington's force attacked and killed most of them (again, IIRC). As it turned out this was not, as Washington had thought, a raiding party but a diplomatic one. Oops.
But the Revolution was in fact more significant than what you propose, for at least two reasons. 1) This was the first country where Rousseau's and Locke's ideas about the sovereignty of the individual 'man' over the government were explicitly defined in the fundamental law of the nation - Britain had gone some way in that direction, but primarily only with respect to the relations between the King and the aristocracy. Even Hamilton was aghast at the prospect of the great unwashed masses actually being able to vote. 2) This was the first country that was defined not by ethnicity or geography but by the founding principle.
As various people said at the time, democracy has generally not been successful - at that time no democracy had ever survived more than about 200 years, as the two forces of people voting themselves largesse out of the public till, and the influential continually manipulating the system and the people to give themselves absolute power (sometimes using 'bread and circuses' - a term going back to Pericles, who caused the eventual destruction of Athens a few decades later) will eventually bankrupt the nation, which will then turn to military rule or defeat by a nearby enemy. From Greece and Rome to Argentina and Venezuela, we see this happen over and over again.