Maybe all of those are a factor. Personally, while I try to maintain skepticism about big claims like this, I don&#x27;t like to dismiss an idea offhand just because most other people have previously dismissed it. Others are probably willing to extend the same courtesy even if the particular claim is unlikely to hold.<p>Just curious, would you put the EM drive[0] in the same category?<p>[0]<a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;RF_resonant_cavity_thruster" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;RF_resonant_cavity_thruster</a>