Ask HN: Re-learn home row/proper/more ergonomic typing fundamentals?

I have a weird claw-type typing method where I use the majority of my left hand and mostly my thumb/pointer on my right hand. I have a solid WPM and low error rate but one thing I was informed was that I am very heavy on my key presses, even with a mechanical keyboard (Cherry MX Browns).

Has anyone successfully re-molded their typing habits to be a bit more ergonomic?