The lecture talked about several disadvantages that having a big transaction between sellers who sell fossils to private collectors for some reasons and examples, nonetheless, the speaker in the listening material voted against to all of the statements mentioned in the lecture for controversy and details.
First off, to contrary to the content mentioned in the reading passage that common civilians will suffer from viewing those fossils that had already displayed in the museum for the reason that private collectors brought them, the professor in the listening material contradicted it with not less exposure. For the purchase, some public schools and libraries are willing to pay money for the collection of fossils, which is used to educate their students as the professional people may explain them to students.
Moreover, to convince audiences not to believe the stuff listed into the lecture that scientists actually lose the approach to analogize the history of those fossils, the speaker in the listening record illustrated that it is unrealistic because scientists will not loss any of fossil which is valuable. There is someone who consider the value of antiques, such as fossil, and the person must be scientists, therefore all the fossils will be identified firstly by scientists before private collectors buy.
Furthermore, to further oppose the content mentioned in the article that some untrained collectors may hurt scientific evidence when they privately excavate the land, the spoken man in the part of lecture demonstrated that it is not very huge area filled of fossils, thus, those private collectors cannot discover them through excavation entirely. In addition, there is nobody who is more professional than the institutions of scientists who had data and experience to determine whether there will be fossils hided underground at a specific region. Hence, there might be any of antiques under any of locations, which exactly opposed to the statement in the article. All in all, the professor disagreed with all of the opinions listed in the lecture for several contradictions