OP said: > it’s not terribly difficult to back out of, either Things like ESM/CJS interop are great but backing out of an ecosystem that uses it is absolutely

OP said: > it’s not terribly difficult to back out of, either Things like ESM/CJS interop are great but backing out of an ecosystem that uses it is absolutely not trivial. Either it’s a trivial replacement you can drop in with no changes or it’s a notable change you can’t easily switch out. It’s not both.