I tbelieve that you are right that, at least for some of these episodes, doctors don't have a clue. The orthopedic surgeon whom my friend was seeing before Pfizer vax says that he and other orthopods in the area are seeing dozens of new patients with sudden-onset leg weakness and difficulty walking. Many describe this in the same words my friend uses; his legs feel wooden-ish or heavy and just non-responsive or as if slightly novocained. And feel heavy to lift, making walking feel very difficult. He's also seen a neurologist who also is seeing first-time patients with the same complaint.

I doubt though that Pfizer has no clue as to what's going on, though may have zero treatment suggestions. But any company that's fully indemnified by the Federal government and still wants 75 years before having to release known and newly-observed adverse effects is automatically suspect in my opinion. There is, after all, no threat of lawsuits because the company is protected from that risk. [The judge denied Pfizer the outrageous 75 years requested.]