Not really no unless you are conducting a real experiment that you actually do. Believing that thinking “what if…” is the same as “finding out” for real is fucking retarded.
Discussion
Many questions in physics get asked before we have the technology to find out. Should we not bother asking them unless we can find out right now?
For most philosophical questions there is no way of definitively finding out. Would the world be a better place without philosophy?
MLK Jrs famous speech was essentially a what if question. Was that a pointless endeavour?