Almost all current apps rely on steemconnect as of today.
Steemconnect is less of a bottleneck.
And yes, people don't want to manage yet another set of passwords in a responsible way.
And it should make you worry.
For this issue, the solution is long-term: providing an ecosystem that's worth all the effort with those passwords, and stuff.
Not the elimination of the fine-tuned security measures of the project.