To be fair prime pressure point wasnt really supposed to be a thing #5.
However some Rhino enthusiasts may like even that.
There are many frames who can make much better use of the Umbra mods than Excal Umbra ever can (e.g. Or allow normal forma to grant umbra polarities Umbra forma is another option but it is like a sad option. You'll need to have separate frames for different builds and a lot of forma, resources and time.
But this makes it so your build caters to only certain playstyle.