PLA is widely used as a medical plastic and its normal decomposition is into lactic acid.
Even if it is just being atomized down into smaller and smaller particles it’s safer for you than any other common plastic.
The colorants added are the only risk
Yes but we’re also more mastodon less bluesky. If a bluesky-esque clone of Reddit comes along with better UX and paving over the issues of federation then it will win, the way Bluesky has beaten out Mastodon as the Twit alternate