How much is "enough money" though? TLJ has made $1.32B WW (Expected to finish right around $1.4B). Sure that's well down from TFA and i'm sure many people did less repeat viewings, but the only reason TFA made as much money as it did was because of fans who had waited 30+ years to see a continuation of the original saga.
With only two years between TFA and TLJ, there wasn't that same excitement leading up to it and then once it quickly became a movie where it seemed people either loved or hated it, well, it was clear it wasn't going to match TFA.