[overfeed]

> What is your argument that Safari is not a good browser?

Safari is often the hold-out on implementing features[1] that would be useful to users - presumably because it would make web apps viable on iOS, and compete with App store apps where Apple takes a 30% cut

> Using market forces to encourage more consolidation into a single engine is bad.

Competition on a level playing-field is not bad, even if you dislike the superior product (as determined by the free hand of the market.)

1. If memory serves: various APIs useful for PWAs were delayed or kneecapped on Safari