OSS used to be more collaborative but these days it is corporate to the point you have to sign a damned contract to get a contribution merged. I am not owed better, I am just sad for what we lost.
Did we actually lose anything? Projectes that used to be collaboratively developed in the open are still being collaboratively developed in the open and as far as I see that is also the case for most new projects. Except those that are mainly developed by a signle corporation, often with a commercial offering - but having these in addition to more collaboratively developed projects ins't really a loss.