Did you even read the whole article or just skim it until you got uncomfortable with the condemnation of homophobia? First of all, the issue isn't that Brendan Eich donated to a right-wing cause, it's that he supports a cause with the goal of stripping a minority group of their rights. Second, the article goes on to explain specific shady anti-privacy, anti-content-creator, pro-crypto practices and builds a strong case against using the browser that's completely separate from Eich's personal failure to be a decent person.