That I also talk about in my article experimenting with LN node fees (even before Rene published his article), where I got the same conclusion: a use of min/max HTLC system to open/close valves of your LN channels is much efficient than excessive rebalancing and excessive use of high fees.
Very good one!
Let's not forget also about another Pickhardt research about the valve system:
The power of valves for better flow control, improved reliability & lower expected payment failure rates on the Lightning Network
That I also talk about in my article experimenting with LN node fees (even before Rene published his article), where I got the same conclusion: a use of min/max HTLC system to open/close valves of your LN channels is much efficient than excessive rebalancing and excessive use of high fees.