Just as long as people remember that the 21st century is not a contemporary period to ancient India.
Logic is timeless. Some of the scientific achievements of that era evoke admiration even by today's standards.
On the other hand, there is plenty of garbage promoted by the colonial / missionary education system that is uncritically swallowed by chaps like Shearer. To make matters worse, it is these colonized and servile minds that produce textbooks even for government education boards.