I downloaded the public preview of Fleet right after they announced its availability and somehow they've managed to make a thing that both consumes MORE CPU and

I downloaded the public preview of Fleet right after they announced its availability and somehow they've managed to make a thing that both consumes MORE CPU and is SLOWER than InteliJ and I was left wondering how. Like it was just sitting there idling using 10% of my CPU, with the so-called "Smart Mode" disabled.