They need to focus on fixing reliability first.

Maybe. What would you rather have?

A) rock solid Sonnet 4 with Sonnet 5, say, next April

B) buggy Sonnet 4 with Sonnet 5, say, next January

Seems like different customers would have a range of preferences.

This must be one of the questions facing the team at Anthropic: what proportion of effort should go towards quality vs. velocity?