[account73466]

He started with "You’re confusing" which is pretty personal. He said "We’re no where near" which is fine if he is an engineer, he is probably "no where near" in contrast to people doing research in that field. I stated the obvious, he is not active in the field.

[dang]

"You're confusing X with Y" uses a personal pronoun but I don't think I'd call it a personal attack—it's a common phrase in spoken English. Maybe "That's confusing X with Y" would be a modicum more polite, but only a modicum.

Please stop these low-information, bilious comments now. It's not contributing positively to sniff at others' lack of credentials and tout yourself. Experts are welcome here if they want to share their expertise, but just being dismissive isn't a good thing for any HN user to do, expert or no.

[username90]

You talk as if you have information to share, why don't you share it?

[account73466]

If you think A and I think B, I am allowed to say B without proving it to you. You can say that my claim is unsupported but by insulting me in a parallel thread you learn nothing. Be open-minded and assume that what you see in open is not everything primarily due to different compute capabilities available to different actors.