Every day, the game would zero the stars earned on 10% of passed levels with the lowest (non-zero) stars.
The idea is to encourage users to play daily to preserve their highest level star ratings and rank more highly in a global leaderboard as a result.
Would this work to encourage daily gameplay?
Why is daily gameplay desirable to you?
Your idea smells of a dark pattern—in my eyes you're attempting to generate FOMO from the leaderboard by making players redo levels they've already completed.
Moreso, levels players they scored low at are likely the ones that frustrate them the most.
You're proposing to make them revisit those levels.
This is not a good idea unless your game is about Sisyphus