These accounts are definitely interesting from anthropological point of view - how people make up nonsense. The third one is especially noteworthy.
"As someone with more than an adequate knowledge of medical and clinical sciences along with some postgraduate research experience in physical mapping using molecular genetics techniques"
"Is it not amusing to find human swabs, samples of Coca-Cola and some fruits all testing positive for “Sars-Cov- 2” using the RT-PCR protocol whilst the kit instructions, the enclosed information leaflet, as well as the print on the box clearly inform the users that the test kit detects Sars-Cov-1 only?"
RT-PCR? Sars-Cov-1? These link to rapid tests that are lateral flow based, not PCR.