The two-token model separates market volatility from platform governance. Hence, the staked but unlocked STARS are burned because of its deflationary ecosystem.
After all, StarLaunch also provides vital insurance protection to the backers for each IDO launched on the platform, three months post-IDO, till a launched project works as expected and a product is furnished. In the infrequent event where a project doesn't work as planned, whether because of a DeFi exploit, vaporware, or team wrongdoing, the insurance payout offers every IDO user a refund of the initial allocation amount.