Past data had very high accuracy but not 95-99% over many...

Past data had very high accuracy but not 95-99% over many conditions. It could be that they look for more biomarker to get to that %. They are years over due, year of promise from nanose .
recall seeing ABC promo saying in 6 months, back 2019.
later said to have high accuracy test for Covid , mobile and cheap but nothing there to.
frustrating says too
the potential could have wiped billion from current pathology testing making many redundant!
if so is big pharma in a conspiracy to hold it back? Many inventions have sat with dust , right bought out as competed with the then huge investments in the prevailing tech at the time