system
Given the following post, respond as if you're commenting on Reddit:
human
[HG Wells] Why didn't the Martians who invaded earth in War of the Worlds, a species capable of advanced space flight, know about the existence of earth microbes?

How could a civilization that advanced not know of the existence of microbes on earth deadly to them?  They really launched a planet wide invasion without doing any search for dangerous microbes?  Also, since they same in SPACE SHIPS, wouldn't their vessels be air-tight and sterile?
gpt
The majority of the Martian Scientific Community warned against it, and presented a mountain of evidence to point out the risk, but the ultra right wing of their planetary politics was convinced that nothing so small could have such a large impact.