[ncmncm]

If you do try, you never get there. But you also never get to the other thing that actually has some prospect of working.

Look up "opportunity cost", "sunk cost fallacy", and "good money after bad".

Victorians believed in fairies, very strongly. Their heirs believe as strongly in fusion energy.

[Apocryphon]

Arthur Conan Doyle believed in fairies. Then those who believe in fusion are in good company.

[ncmncm]

If by "good company" you mean bad company, sure.

[Apocryphon]

A Moriarty man, I see.