Why "wealth tax"? Why not "income boost" by taking some % (20%? 50%? 80%?) of the dividends and dividing it equally to the people who work there as well as pay

Why "wealth tax"? Why not "income boost" by taking some % (20%? 50%? 80%?) of the dividends and dividing it equally to the people who work there as well as pay their salary. The company does well - you get a bonus! The company does not so well - no bonus, you better work smarter/harder/different. 1. Motivation directly tied to productivity. 2. Team/community feel when you "win". 3. CEO really IS working for you! 4. Less money for the rentiers. But they still get money. 5. More money for "the workers". 6. Still get your salary to distinguish between high value and less value jobs. 7. Still can buy shares in whichever company floats your boat, including your own. Clearly, the job market and the share market would change significantly in how they value things and new ways to abuse things would emerge (people working many "full time" jobs at once?) but I can't see how it would be worse. Ultimately, take some money from the "rentiers". People who make money because "they own something" not because "they do something". Rentiers are non-productive leeches on society.