The vast majority of users of music notation are amateurs, and being more friendly to amateurs would mean even more users.
The vast majority of decision-makers are experienced users with a vested interest in the status quo.
The issue is very similar to why corporate systems have such horrible user interfaces. The people making the decisions in IT aren't the normal users of the system. IT cares about features, integrations, and high-level analytics. Employees care to be able to sanely input their time sheets, file an expense report, or buy a stapler.
I'd like a system simple enough to use by all the kids in my local elementary school music class, much more than I care about what happens in the local orchestra.
The vast majority of decision-makers are experienced users with a vested interest in the status quo.
The issue is very similar to why corporate systems have such horrible user interfaces. The people making the decisions in IT aren't the normal users of the system. IT cares about features, integrations, and high-level analytics. Employees care to be able to sanely input their time sheets, file an expense report, or buy a stapler.
I'd like a system simple enough to use by all the kids in my local elementary school music class, much more than I care about what happens in the local orchestra.