408 hyd roller, too much spring pressure?

Rat Bastid said
It’s the same with a BH spring. There is much more low hanging fruit to grab that will give a much better return on investment.

And, back to the original issue…using a BH spring when the geometry is wrong isn’t fixing anything.

I don't think anyone is really arguing with you on that point, geometry would be the first place to look at if you want a happy and stable valvetrain, get that sorted, select springs that suit your requirements (beehive or conventional as long as it suits the application) and if you can save some weight in the process then that's a bonus.
I was surprised when my B3 kit arrived how far things needed to move: