meet their quotas
What quotas? Quotas would be illegal.
Anyway, when you see the sums in relation to turnover, it's obvious that these are PR exercises. Want more female black latino engineers? Get them to study engineering at university: Intel could fund some endowments. You can only employ what the market provides.
Or looked at another way: how much of the USD 1 bn that Microsoft is reportedly stumping up for a crumb of Uber is going towards increasing diversity there and how much is being trousered according to some clever post-JOBS act accounting?