Is there any guarantee that your (about to be former) employer tell you the truth about why you're being canned? I don't believe so. They may just be giving you what they think is a safe answer. The real reasons for ending your employment with them could be anything (good, bad, silly, or even non-reasons). Nothing to take personally.
While it appears that Perl 6 has many impressive features, I'm much more interested in practical matters such as: module versioning, installation, & removal; the state of MoarVM; and the state of the tutorial book.
I don't know Dart, but it looks as if you need a Google account to upload packages to that central package repo. Is that correct?