a, they're not really open sourcing it, they're releasing it under a license that says you can use it for what they say. So it's marketing mostly, both external

a, they're not really open sourcing it, they're releasing it under a license that says you can use it for what they say. So it's marketing mostly, both external and internal to try and appease the "AI ethics" crowd. And honestly, b, their strategy is incoherent anyway. It's a tech company with too much money and no acute market pressure hoping to find something that sticks.