Minor nitpick, you have causality inverted. Esperanto is artificial and therefore regular.

Yeah, I’m always scared of saying it out loud because it’s not super clear where to draw the line.

While it’s nice for the employee to get some extra bucks, tipping only supports minimal pay for the job because “they’ll make up for it in tips”.

It’s definitely better to avoid medicine if possible. Like if you have a flu, just rest and drink hot beverages. Your body knows what is doing.

True, though I can’t pinpoint exactly what it is.

I’ll answer the opposite way: in South America we have no crows, so it was by far the most fascinating animal I saw while in England.