VC's are different type of partners. The VC's need to sell their shares in the end of a fund. VCs have their investors too, the LPs, and they need to have liqu

VC's are different type of partners. The VC's need to sell their shares in the end of a fund. VCs have their investors too, the LPs, and they need to have liquidity to sell their shares and take the profit. If you don't give liquidation preferences or drag and tag-along rights to VCs will not be able to sell and make any profit if the fund is about to close.