OK, but four of the five FAANG companies are betting very heavily on OpenJDK (even Facebook uses it, but not as heavily as the others), which is also owned by O

OK, but four of the five FAANG companies are betting very heavily on OpenJDK (even Facebook uses it, but not as heavily as the others), which is also owned by Oracle. Oracle has been good to OpenJDK over the decade they've owned it (disclosure: I work on OpenJDK at Oracle).