For engine diversity. Though I have my eyes wide open for ladybird.
Discussion
That game has been over for years. Ladybird will be pitifully worse. Stop holding on to a failed past and start working on a better future with better protocols for information and app distribution than "the web". In the meantime stop giving people the illusion that's all is still ok while Mozilla milks your idealist heart for money.
Strong disagree, an open web can't rely upon a single point of failure.
Though I share your feelings about Mozilla.