We're going to have a bunch of hardly used libraries/frameworks that might converge on a single one. Similar to the surge in JS frameworks/libraries from a few years back and where we are now.

Is squeezing a lot more performance beneficial to a business? or is it a small amount of VPS cost per month difference?

It helps to be clear, at least with yourself, about if you're doing something because you can/want to or if there are actual business reasons.