Once Thanos comes to know about parallel universe after Nebula is caught , which means there is infinite about resources in this world  . Which can be shared and current population can continue to survive.

What still motivates him to kill half the universe . His point was to maintain balance  .

Now we just move resources across time lines and maintain the balance.

Why he continues this motive .

Once Thanos comes to know about parallel universe after Nebula is caught , which means there is infinite amount of resources in this world. Which can be shared and current population can continue to survive.

What still motivates him to kill half the universe? His point was to maintain balance.

Now we just move resources across time lines and maintain the balance.

Why he continues this motive?