"We'll save $500k a year in licensing costs and don't need to re-negotiate a contract to update our architecture" has worked for me.

> Nobody gets fired for buying Oracle.

Nah, even when Oracle was more dominant than they are today, that wasn't entirely true:

https://www.cnet.com/news/california-cancels-oracle-contract...

> Nobody gets fired for buying Oracle

I can think of environments where you'd get fired. Oracle these days screams "legacy", and especially if you're working on low-latency projects like trading systems it would be a huge, expensive mistake.