Of course, different experts have different opinions. For a start, they are dealing with different cultures and different progress of the virus through the populations. Even within the groups'of experts, they will each be coming from own area of knowledge. However, scientists of all sorts are usually happy to share knowledge as they are doing universally in a hope to find medicines and/or a vaccine.
Anyone coming on here to carry out the usual sniping really doesn't deserve a reply, do they? It's rather like selfishly bulk buying - putting yourself first to get a little buzz.