It’s meaningless depending on if you consider your own meaning the true meaning or not.
uhh people have made impacts on the world that last beyond their own deaths
death means a complete and (questionably) permanent loss of consciousness, and someone who cannot think cannot feel.
right but as humans we have empathy towards other humans. you can understand how your life affects/will affect others even after you're gone.
the thought that once you stop being conscious nothing matters, is a little self-centered. the world continues to exist, and your impacts will continue to exist beyond you.
maybe you in 100 years won’t be around to care how you spend your time now, but you in 10 years will be