well it has been the standard for non critical feedback.
I would not implement optimistic resolution in key information, prices, for example. They live in the server and backend should keep the total control in the client side, even feedback response time.
Idk about America but at least in Spain squatting is in fact a very lucrative activity for squatters that target investors. They track and buy information of houses owned by banks/investors or are “summer” homes.
Once they break in they ask just bellow of what hiring a lawyer and doing the legal process would cost. Or worse they rent illegally the home in the secondary black market.
The reason it works is because kicking them legally can take months or years plus lawyers and proceedings cost. It also drops the value of the surroundings if they are not kicked fast enough.
I remember seeing how TV had to take into account numerous formats, specially in the transition from tube to flat screens. Shame that no one takes that into account any more.
If you have an old TV with an off format you will miss a portion of the intended frame.
Passport/EU-ID to check you already have a ticket should be the standard. Everyone saves time and money this way BUT now they can earn more money at the gate.