The level of arrogance necessary to believe that any "technically minded" individual can find where the virus originated is mind blowing to me. Logic isn't the end-all-be-all, for many fields you must also have knowledge. We should not ignore the blindspots that deep knowledge can introduce but to just dismiss it is absurd.
> The reemergence was probably an accidental release from a laboratory source in the setting of waning population immunity to H1 and N1 antigens
https://www.nejm.org/doi/full/10.1056/NEJMra0904322
About 700k people died worldwide. That's more than a typical flu season but not grossly so, and it's impossible to say with certainty what kind of flu season would have occurred naturally without the escape.
https://nouvelles.umontreal.ca/en/article/2018/01/19/you-re-...
SARS-CoV-2 is certainly worse. The 1977 flu pandemic is still a lot of deaths, though, and surprisingly little-known.