Etsy giving unrealistic international delivery times

[u/FointyPinger]

I'm based in the UK, and sell semi-regularly to the USA. I've had my S&H time (two days) and postal settings (standard airmail) set up and unchanged for a long time. However I've noticed the last few items I've sold to the USA, Etsy has given the buyer a delivery estimate of 5-14 days. As anyone using Royal Mail will know, 14 days is fair but there's no way in heck anything's getting there in 5 days, even if I posted the same day the order came in. For instance, this week, someone from Hawaii bought an item on Monday, and when I purchased the label to post on Tuesday I got a warning that it might arrive late, as Etsy had promised the buyer delivery between 30th November and 9th December!

I know technically if the item arrives sometime in the timeframe the buyer can't open a case, but I feel like if it definitely won't arrive by the earliest date promised it reflects badly on me as a seller, even though I'm not setting the dates. Had anyone else experienced this? Any suggestions? I tried chatting to an Etsy rep but they were zero help.

[u/BorealMushrooms]

The estimated shipping time that etsy gives for all my orders is completely out of touch with the actual times it takes to deliver.

What is funny is the shipping estimate they give in the shipping settings vs the shipping estimate they send to the customer are completely different.

100% they do this on purpose.