What would these "calculations" be like?
The maximum reward Foundry got in an epoch for a block and the minimum, it would help point out irregularities, since if you see Foundry or any other constantly doing over 3 or 5 periods a maximum block fee two times the size of others then there must be something weird happening, same for a pool who has no variance whatsoever or for a pool that constantly mines blocks with low fees since it would mean they are maybe pushing a lot of their own transactions!!
But it would mean a lot of work and don't know if the results would really point out something!
Something like this, but with longer information:
https://coin.dance/blocks#blockDetails
Not that I'm aware of unfortunately!
And lift-off, positive territory again,