Remember when we all loved Google? Its search engine was both simple to use and an unbiased portal to anything you wanted to know. It was founded by two college students at a time when Silicon Valley was a shining beacon of what was right in the world, during sunny economic and political times.
Couple of simple answers
Don’t use it. Or tell them you’d like to pay for each search (25 cents a search?) so they don’t need to have advertising?