Having worked on both projects, I can tell you that it's more complex than what you're making it out to be.
This is where anecdotal evidence is difficult - hard evidence that we can reference points to the contrary and supports my reply. I have further anecdotal evidence I could cite, but it's not trustworthy.
Which aspect, and how?
It’s always complex, but that tweet is pretty damn explicit. It’s a bit of a challenge making anything else of that.
while I don't agree with public bashing, he is right about yarn 2 being a disaster.
After a 18months since GA, migrating to v2 is still a pain and not the default version, while v1 does not receive update anymore smh...