Earlier quoted context omitted.
I think Pareto principle applies here: most discussions will be shallow, only occasionally diving deep — and Twitter acknowledges that reality, and builds around it.
The real problem is that places like HN and Reddit allow downvotes / reports to drown people out. Someone on Twitter will post on their page. They control it. It can be slop. It can be low quality. It can be their random thoughts but all that is irrelevant while you slowly build up your audience and the stuff you wanna work on. This generally takes time and is something that grows organically. Meanwhile on HN I will…
You live in an algo bubble!
TONS of intelligent people with backgrounds in space, defense and technology say it all the time on Twitter.