No.
No.
The Bluesky app respects Rob's setting (which is off by default) to not show his posts to logged out users, but fundamentally the protocol is for public data, so you can access it.
I just don't understand that choice for either platform, is the intent not, biggest reach possible? locking potential viewers out is such a direct contradiction of that.
edit: seems its user choice to force login to view a post, which changes my mind significantly on if its a bad platform decision.
And yes, you can still inspect the post itself over the AT protocol: https://pdsls.dev/at://robpike.io/app.bsky.feed.post/3matwg6...
(You won't be able to read replies, or browse to the user's post feed, but you can at least see individual tweets. I still wrap links with s/x/fxtwitter/ though since it tends to be a better preview in e.g. discord.)
For bluesky, it seems to be a user choice thing, and a step between full-public and only-followers.
I'll (genuinely happily) change my opinion on this when it's possible to do twitter-like microblogging via ATproto without needing any infra from bluesky tye company. I hear there are independent implementations being built, so hopefully that will be soon.