Limud Torah is the only thing that allows a person to live a life of that- Torah. In todays society there needs to be something to comabt th tuma. Torah is the thing that keeps us going.
There is nothing as important, saying that would you only want to be someone who involves themselves in something like that for a mere hr or too a day! “I save the world for 2hrs a day.. teh other time i spend keeping myself alive..”
Arguable I guess..