It is, but it's a secondary issue. As usual, the primary problem is political - corporations have vast political power, and so does the investor and CEO class.

Comparatively, everyone else has very little.

It's not all that difficult to imagine improved social enterprises, But they will never happen until power is distributed in a more balanced way.

The checks and balances model has potential, but it needs to include checks and balances against corporations, corporate lobbyists and investors.

Currently they have almost unlimited influence and negligible democratic accountability.

Internal democratic accountability is possibly the simplest and most effective way to change that. But you're still stuck with the problem that you can't enforce internal accountability from the outside when lawmakers will never vote against the interests of the corporations who own them.