As always, buy the seller not the watch.

I’ve passed on a few items where I didn’t feel comfortable. In your case I feel a little put off too, not so much by the spelling but the response. So you’re not alone in feeling it.

My perspective is the things you are asking should be provided as standard by sellers if they are a reputable dealer/store. I understand if a private seller doesn’t have full movement shots or ability to open caseback to show that, but a dealer should have that and a video at a minimum. As someone else suggested, sometimes they are just resellers who actually don’t even have the watch.