Most people don't even know to look for it, including doctors. Some cardiac doctors are finally beginning to take the research more seriously, however. It's slow going for everyone involved.
Im not sure if this is a comment generated by a bot, a troll or something else to try and generate disinformation or something. I've seen a few comments on this thread which seem out of line from the usual sort of good natured discourse seen on HN. Not sure if its this particular topic or a sign of the times.
Anyway, having had long covid myself for over 15 months, there are many, many people suffering with it, we are just discovering the tip of the iceberg