It’s interesting but probably will be unsupported at both, Whonix and Tails
Support here means such as review of technical implementation and/or user support.
Speaking for Whonix, won’t be supported.
For Tails, I cannot speak for them, but from past observence, Tails developers will probably also provide no support this setup.
From my perspective as a Whonix developer it is a bit sad to see development effort “wasted” on a hack, that is running Whonix on top of Tails, while a Live Whonix-Host operating system ISO is already in development, see:
Development effort is best spend on Whonix-Host.
On the other hand, glad someone managed to modify both Whonix and Tails to make use of the customization legal rights, technical customization possibilities and combined in the spirit of Freedom Software / Open Source.
Related needed wiki edit:
Long Wiki Edits Thread - #1925 by Patrick
Related: