Is the final season really that bad?
No. It is perfectly fine to great, in parts.
There is some media literacy required to understand a few things that are called plot holes, aren’t, is the worst I could say about it.
The hate is about as real as that of the ragebait videogame situations.








All of which the physicist can trivially account for, control and variable test around, should the requested question be updated to require it.
The requested question did not include “In all possible scenarios”, thus determining the volume of the sphere via physics calculation at the most average of conditions, is the most correct valid solution, absent further requirement parameters.