Introverts have absolutely no issues striking up a conversation.
Is it mentally exhausting? Sure. Would I rather be doing literally anything else? Yeah, probably. But introverts don’t automatically have social anxiety.

I sometimes instantly vibe with other NDs like that.

With NTs, this seems far exaggerated compared to how I personally feel*, but like still not wrong.

*as far as I know

I think there’s more in the second panel for me. The conversation can continue and I’m still battling trying to retcon my introduction somehow because who tf says howdy. It derails my focus for the next minute of conversation. But I’m also paying attention so everything added to the conversation is piled on top of that and how I respond next needs to fit the flow of conversation and if I want to fix the weirdness of how I introduced myself…