Since when is having an opinion a bad thing? If we all delayed putting out theories (like Good to Great does in explaining commonalities of companies that made

Since when is having an opinion a bad thing? If we all delayed putting out theories (like Good to Great does in explaining commonalities of companies that made it huge) until all existing theories like Survivorship Bias were covered then no new theories put out. Survivorship Bias has a place but it is not the be-all-end-all.