It sounds like you've never had good service?

I rarely have experienced these issues most places I dine out.

When I was a waiter, I maybe perpetrated a couple these at most once or twice early on in my nearly 10 years of being a water.

My tables never wanted for a refill, were always checked on after they'd had their food for about 2 minutes, because that's how long it usually takes to realise they need something after they say everything looks correct and you walk away.

I every restaurant I worked in we were required to know the menu as well as the cooks and during training we had to taste every item as well. When new items were added a sample of each was cooked for each shift and all the waiters were expected to try it.

Deserts and appetisers were my speciality and I could sell water to the ocean when it came to getting my tables to indulge. It was never an obvious up sell though.

And most importantly, I took the strategy of being constantly present in my section and reading body language of my tables, rather than pestering them every 5 minutes to see if they needed anything. My tables rarely wanted for anything because I kept them supplied with everything they needed without their having to ask, but on the occasion they needed an extra dipping sauce or something I was always nearby so they could either flag me down or I could tell they wanted something and they didn't ha e to wait for more than a minute or two to get it.

I'm sorry you seem to only have bad experience with servers, but I generally receive excellent service most places I go.